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Lost on the Moon by Roy Rockwood

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"What do you mean?" inquired Mr. Roumann, laying aside some of the
damaged motor plates.

"Mark's gone!" gasped Jack.

"Gone! Where?" exclaimed Mr. Henderson.

"I don't know, but he went to the deserted house, where we thought the
mysterious man was hiding, and since then I can't find him."

Then the frightened lad proceeded to explain what he and Mark had
undertaken, and the outcome of it; how his chum had failed to meet him
at the rendezvous, and how Jack had searched through the old house
without result.

"There's but one thing to do," declared Professor Henderson, when he
had listened to the story. "We must go back there and make a more
thorough search."

"What--to-night?" exclaimed the German.

"Surely. Why not? We can't leave Mark there all alone. He may be hurt,
or in trouble."

"That's what I think," said Jack. "I'll tell Washington and Andy, and
we'll go back and hunt for him. Poor Mark! If he had only waited for
me, perhaps this would never have happened, and if I hadn't stopped at
the dog-fight maybe Mark would have waited for me. Well, it's too late
to worry about that now. The thing is to find him; and I guess we can."

Jack would not stop longer than to snatch a hasty bite of supper before
he joined the searching party. Washington and he carried lanterns,
while Andy Sudds had his trusty rifle, and the two professors brought
up in the rear, armed with stout clubs, for Jack's account of the
affair made them think that perhaps they might have to deal with a
violent man.

"Hadn't you better notify the police?" suggested Andy. "A couple of
constables would be some help."

"Not very much," declared Jack. "Besides, there are only two in
Bayside, and it's hard to locate either one when you want them. I guess
we can manage alone."

"Yes, I would rather not notify the police if it can be avoided," said
Professor Henderson.

The searching party hurried along the country highway, which was now
deserted, as it was quite dark. Their lanterns flashed from side to
side, but they had no hope of getting any trace of Mark until they came
to the old barn, at least, though Jack wished several times that he
might meet his chum running toward them along the road.

They reached the barn in due course, and while Washington, Jack and
Andy began a search of it, the two scientists went up to the house of
the man who owned it and enlisted his aid. They asked him if he had
seen Mark around that afternoon, but the farmer had not.

"But me an' my hired man'll come out and help you hunt through the
barn," he said. "I remember once, when I was a lad, that my brother
fell off the hay mow and lay unconscious in a manger for five hours
before we found him. Maybe that's what's happened to this young man,"
suggested Mr. Hampton, which was the farmer's name.

"I looked around pretty well this afternoon," explained Jack, when the
farmer and his man had reached the barn, "but, of course, I didn't know
all the nooks and corners."

A thorough search of the structure, however, failed to reveal the
presence of Mark, and then the farmer volunteered to accompany the
party on to the old Preakness house. His offer was received with
thanks, and, bringing two more lanterns with them, Mr. Hampton and his
man added considerable to the illumination.

They went through the old mansion from garret to cellar, and called
repeatedly, but there was no answer. And good reason, for in the secret
room, with his captive, the mysterious man heard the first approach of
the searching party; and he quickly bound Mark and gagged him, so that
he could not answer.

There was nothing to do but to leave, and it was with sad hearts that
Jack and his friends departed, their search having been unavailing.
They turned toward home, which they reached quite late, but found
nothing disturbed.

No one in Professor Henderson's house slept much that night, and in the
morning pale and wan faces looked at each other, all asking the same
question: "Where is Mark?"

But no one could answer.

They talked over the matter, and decided that Jack, with Andy and
Washington, should form a searching party to scour the surrounding
country. The two scientists were too old for such work, and, as the aid
of the police was not desired, it was felt that the three could do all
that was necessary.

Accordingly, while Professor Henderson and his German friend went to
work on the damaged motor, which did not need as much repairing as at
first was thought to put it in working shape again, Jack and the two
men started off to hunt for Mark.

They were gone all that day, returning very much discouraged at dusk,
saying that they could get no trace of him.

"I don't see where he can be!" exclaimed Jack desperately, for, though
the two lads were not related, they had been friends so long, and had
shared so many pleasures and dangers together, that they were like
brothers. "You won't start for the moon until you find him, will you,
Professor?" asked Jack.

"No, indeed; though we could start to-morrow if he was here," replied
the aged scientist. "The special tools came to-day, and the motor has
been repaired. We have tested it, and the Cardite power works even
better than did the Etherium apparatus."

"Then we can start as soon as Mark is found?" asked Andy Sudds.

"Yes, for everything has been put inside the projectile, and all that
remains is to haul it out of the shed, point it at the moon, and start
the motor."

"Then I guess I'll give my gun a final cleaning, and get ready. There
may be good hunting on the moon," said the old hunter.

Jack was tired from his long tramp that day, searching for his missing
chum, but before he went to bed he wanted to go out and take a look at
the big projectile, which was now ready to start for the moon.

As he turned around the corner of the immense shed to enter the door,
he was startled by seeing a figure coming toward him. Jack started,
rubbed his eyes, and peered again.

"Is it possible? Can I be mistaken?" he whispered.

The figure came nearer. Jack, who had come to a halt, broke into a run.

"Mark! Mark!" he cried joyously. "Oh, you've come back! Where have you

Jack was about to clasp his chum in his arms when he saw that Mark's
arm was in a sling, and that his face was all bandaged up, so that
scarcely any of his features showed. Had it not been for the clothes,
and a certain stoutness of which Mark never could seem to get rid, Jack
would scarcely have known his friend.

"Why, Mark, what happened?" cried Jack. "Have you met with an accident?
Where have you been? In a hospital? What became of you? Why didn't you
wait for me?"

"I can't answer all those questions at once," was the reply, and Jack
thought Mark's voice was curiously muffled and hoarse, entirely unlike
his usual tones. But he ascribed that to the bandages around the mouth.

"Well, answer one at a time then," said Jack, and there was an
undefinable, strange air about his chum which cooled Jack's first
impulse of gladness. "Whatever happened to you, Mark? Are you hurt?"

"I was--yes," came the reply, in short, jerky tones. "I had an
accident, and I've been in a hospital. That's why I couldn't send you
word. But I'm all right now. When does the projectile start?"

"To-morrow, now that you're here. But tell me more about it. Where were
you hurt?"

"On my head and arm."

"No; I mean where did the accident occur?"

"Oh, in the old house where I went to--to look for that man."

"Did you find him?" asked Jack eagerly.

"No. He's not there now."

"Well, never mind. We won't bother about him. Come on to the house. My,
but I'm glad to see you again! And so will the others be."

In his enthusiasm at seeing his chum again Jack wanted to hug him. He
approached Mark, but the latter cried out:

"Look out! Don't come too close!"

"Why not? Have you caught some disease?"

"No, but you might hurt my broken arm!"

"Oh, is it broken? That's tough luck. Did you fall?"

"Yes--in the old house. I fell down stairs."

"And your head is all bandaged up, too," went on Jack, trying to peer
into his friend's face through the roll of bandages.

"Look out! Don't come too near!" again warned the other. "You might
jostle against me, and knock off some of the bandages."

"Did you lose some of your teeth, the reason your voice sounds so
funny?" asked Jack.

"Yes, I did knock out a few when I tumbled. But don't bother about me.
I'll be all right soon. Let's go in the house. I want to go to bed."

"But they'll all want to see you, and hear about the accident, Mark,"
insisted Jack. "My, but we've been all worked up about you. How did you
happen to be taken to a hospital?"

"A farmer came along, and I hailed him. Then I lost consciousness, and
couldn't let you know where I was. But never mind the details. I'm
anxious to get started on the trip to the moon. Couldn't we start

"I don't believe so. You need rest. But come on in the house." Then
Jack hurried on ahead, calling: "Mark's found! Mark is back!"

His cries brought all of the others out on the porch, and at first they
could scarcely believe the good news, but soon Jack and the new arrival
came in sight. As Jack had been, the two professors and the others were
startled when they saw how Mark was bundled up in bandages.

"He fell down stairs," explained Jack.

"Come over here where it's light, so I can see you," suggested
Professor Henderson. "Perhaps some of the bandages have slipped off
since you came from the hospital. Why did you come alone? Why didn't
you send us word where you were as soon as you were conscious, and we
would have come for you."

"Oh, I didn't want to bother you," explained the bundled-up figure. "I
managed to walk it all right."

"But your injuries may need attention," insisted Mr. Henderson. "I know
something about doctoring. Come here where I can see."

"No--no--the--light hurts my eyes," was the hasty reply. "I guess I'll
go to bed, so as to be all ready to start in the morning. Why don't you
leave for the moon to-night, professor?"

"There are still a few little details to look after. But are you sure
you are well enough to go with us? We may meet with hardships up on the

"Oh, I'm all ready to go," was the answer. "I'd start to-night if I
could. But now I must get to bed."

"Don't you want supper?" asked Jack.

"No, I had some just before I left the hospital."

"What hospital was it?" inquired Andy Sudds. "I was in one once, and I
didn't like it. There wa'nt enough air for me."

"I forget the name of the place," came the reply. "I can't think
clearly. I need sleep."

The newcomer kept in the shadows of the room, as if the light hurt his
eyes, and appeared restless and ill at ease. With the hand that was not
in a sling he pulled the bandages closer about his face.

"Can't you tell us more about what happened?" asked Jack, for Mark was
not usually so reticent, and his chum noticed it.

"There isn't much to tell," was the response. "I went to the old house,
and I was looking around when I happened to tumble down stairs. I must
have been knocked unconscious, but when I came to I crawled outside. A
farmer was driving past, and I asked him to take me to a hospital."

"Why didn't you come home?" asked Mr. Henderson.

"Oh, I didn't want to make any trouble and delay work on the
projectile. I figured that I could be with you in a few hours, and you
wouldn't worry. But they insisted that I must stay in the hospital when
they got me there. Then I lost consciousness again, and couldn't manage
to let you know where I was. But I'm all right now."

"Why didn't you wait for me at the barn, when I went to send the
telegram, as you promised you would?" asked Jack, who felt a little
hurt at his chum's neglect.

"Did I promise to wait for you at some barn?"

"Yes; don't you remember?" and Jack gazed at the bandaged figure in

"Oh, yes--I--I guess I do. But I want to go to bed now," and pulling
the cloths closer about his face the injured one started from the

"Here. That's not the way up to your room. The stairs are over here,"
called Jack, for he saw the newcomer taking the wrong direction.

"Oh, yes. Guess my mind must be wandering," and with an uneasy laugh
the injured one turned about. They heard him going up stairs, and a
little later Jack followed. He found that Mark's room was not occupied.

"Hi, Mark! Where are you?" he called, in some alarm.

"Here," was the answer, and the voice came from Jack's own apartment.

"Well, you're in the wrong bunk."

"Am I? Well, I must have made another mistake. My head can't be right,"
and with that the other came out and hastily went into the adjoining

For a moment Jack stood in the hall. He looked at the door that had
closed behind the bandaged figure.

"There's something wrong," said Jack in a low voice. "How strange Mark
acts! I wonder what can be the matter?"



There were busy times for the moon-voyagers the next day. They were up
early, for at the last moment many little details needed to be settled.
The Cardite motor had been thoroughly repaired, for the damage caused
by the unknown enemy had done no permanent harm.

When the injured one appeared the bandage on his head seemed larger
than ever, and his features were almost hidden. He still wore his arm
in a sling.

"Well, how do you feel?" asked Jack, looking narrowly at the figure. He
could not get rid of a suspicion that something was wrong with Mark.

"Oh, I'm feeling pretty fair," was the mumbled answer. "I didn't sleep
much, though."

"Well, take care of yourself," advised Jack. "We are about ready to
start. We'll get off about noon, Professor Henderson says. Don't try to
do anything and injure your broken arm. You certainly had a tough time
of it."

"Yes, I guess I did. I can't do much to help you."

"You don't need to. We're all but finished. Just hang around and watch
me work. There isn't much to do."

But though Jack gave an invitation to remain near him, the other seemed
to prefer being off by himself. He wandered in and out of the
projectile, now and then helping Andy or Washington to carry light
objects into the _Annihilator_. But all the while he was careful not to
disturb the bandage on his face, and several times he stopped to
readjust it. Nor did he talk much, which Jack ascribed to his statement
that his teeth hurt him. And when the bandaged figure did speak, it was
in mumbling tones, very different from Mark's usually cheerful ones.

"Well," remarked Professor Roumann, after a final inspection of the big
Cardite motor--the one that was to be depended on to carry them to the
moon--"I think we are about ready to leave this earth. How about it,
Professor Henderson?"

"Yes, I think so. Have you made any calculation as to speed?"

"Yes, we will not have to move nearly as fast as we did when we went to
Mars. We only have to cover a quarter of a million of miles at the
most, and probably less than that. The motor will send us along at the
rate of about a mile a second, which is three thousand six hundred
miles an hour, or eighty-six thousand four hundred miles a--day. At
that rate we would be at the moon in less than three days.

"But I don't want to travel as fast as that," the German went on. "I
want time to make some scientific observations on the way, and so I
have reduced the speed of the Cardite motor by half, though should we
need to hasten our trip we can do so."

"Then we'll be about a week on the way?" asked Jack.

"About that, yes," assented Mr. Roumann.

"And could we go farther than to the moon if we wanted to?" inquired
the bandaged figure mumblingly.

"Farther? What do you mean?" asked Professor Henderson quickly.

"I mean could we go to Mars if we wanted to?"

"You don't mean to say you want to go back there, and run the chance of
being attacked by the savage Martians, do you?" asked Jack.

"No, I was only asking," and the other seemed confused.

"Well, of course, we _could_ go there, as we have plenty of supplies
and enough of the Cardite," said Mr. Roumann. "But I think the moon
will be the limit of our trip this time."

The work went on, the last things to be put aboard the projectile being
a number of scientific instruments. The injured one wandered in and
out, now being in the house and again in the big shed. He seemed
restless and ill at ease, and frequently he walked to the front gate
and gazed down the road.

"You seem to be looking for some one," spoke Jack. "Are you expecting
your girl to come along and bid you good-by, Mark?"

"Who--me? No, I--I was just looking to see if--if it was going to

"Rain? Well, rain won't make much difference to us soon. We will be
outside of the earth's atmosphere in a jiffy after we have started, and
then rain won't worry us. Is your stateroom all fixed up?"

"No, I didn't think of that. Guess I'd better look after it."

The two started together for the projectile. The stout one entered
first, and made his way through the engine room and main cabin to the
compartment off which the staterooms opened. He entered one.

"Here, that's not yours," cried Jack. "That's where Professor Henderson
sleeps. Yours is next to mine."

"That's right; I forgot," mumbled the other. "I must be getting absent
minded since my accident. But I'll be all right soon. I'll get my room
to rights, and then probably we'll start."

"I guess so," answered Jack, but he shook his head as he gazed after
his chum. "Mark has certainly changed," he murmured. "I wish he'd take
those bandages off, so I could get a look at his face."

The last details were completed. The big _Annihilator_ had been run out
on trucks into the yard surrounding the shed, ready to be hurled
through the air. The shop, shed and house had been locked up and given
in charge of a caretaker, who would remain on guard until our friends

"Are we all ready?" asked Professor Henderson, as he stood ready to
close the main entrance door and seal it hermetically.

"All ready, I guess," answered Jack. The stout one had gone to his
stateroom, where he could be heard moving about.

"I'm ready," announced Professor Roumann. "Say the word and I'll start
the motor." He was in the engine room, looking over the machinery. At
that moment there came a loud yell from the galley where Washington
White was.

"Heah, heah! Come back!" cried the colored man. "My Shanghai rooster is
got loose!" he yelled, and, an instant later, the fowl came sailing out
of the projectile, with Washington in full chase after him.

"I'll help you catch him," volunteered Jack, springing to the cook's
aid, while Professor Henderson laughed, and a bandaged figure, looking
from a stateroom port, wondered at the delay in starting the



Mark Sampson was alone in the deserted house. Bound hand and foot,
stripped of his clothing, and attired in some old garments that the
tramps who made a hanging-out place of the old mansion had cast aside,
the unfortunate lad was stretched on a pile of bagging, his heart
beating partly with fear and partly with rage over a desire to escape
and punish the scoundrel responsible for his plight.

The man who had captured him, after taking away Mark's clothes, had
chuckled, as though at some joke.

"You may think this is funny," spoke the lad bitterly, "but you won't
be so pleased when my friends get after you."

"They'll never get after me," boasted the man. "This is a good joke. To
think that I can pass myself off as you; that I can join them in the
projectile, and they never will be the wiser!"

"They'll soon discover that you are disguised as me," declared Mark,
"and when they do they'll have you arrested."

"Yes, but they'll not discover it until we have left the earth, and are
on our way to the moon. Then it will be too late to turn back, and my
object will have been accomplished. I will be with them in the
_Annihilator_, and I'll have my revenge! The projectile is due to sail
to-morrow, and I'll be on hand. I'm going to leave you now. I have left
orders with a friend of mine that you are to be released to-morrow
night. In the meanwhile you will have to be as comfortable as you can.
I wish you no harm, but I must keep you here.

"I will feed you well before I go, and put some water where you can get
it. But I must leave you tied. I'll not gag you, for, no matter how you
yell, no one will hear you. I have posted a notice in front of this
place that it is under the watch of the police, so no tramps will
venture in, and your friends will not come back.

"Now, just make yourself comfortable here, and I'll go to the moon in
your place. I think I shall enjoy the trip. As I said, you will be
released to-morrow night, several hours after the projectile has left
the earth."

"How do you know it is to start to-morrow morning?" asked Mark.

"Oh, I have been spying around, and I overheard the professors talking.
I know a thing or two, and I'll be on hand, on time, in your place!
Now, I have to leave you. I've left ten dollars to pay for your suit,
which I need to disguise myself with."

Then the man was gone, and Mark was left with his bitter thoughts to
keep him company. The whole daring scheme of the man had been revealed.
He did look something like Mark, and, attired in the lad's clothes, and
by keeping his face concealed, he might pass himself off as Jack's
chum; at least, until after the projectile had started.

"And then, as he says, it will be too late to return to earth and get
me," thought Mark bitterly. "Oh, why did I ever try to learn this man's
secret? Who is he, anyhow? Why didn't I wait for Jack at the barn, as I
promised? It's all my fault. I wonder if I can't get loose?"

Mark struggled several hours desperately and at last he felt the ropes
giving slightly. He redoubled his efforts. Strand by strand the cords
parted. He put all his efforts into one last attempt, and to his great
joy he felt his hands separate. He was partly free!

But scarcely half his task was accomplished. He had yet to discover the
secret of the hidden room--a room, as he afterward learned, which had
been built during slavery days to conceal the poor black men who were
escaping from the South.

"But now I have my hands to work with!" exulted Mark.

Resting a bit after his strenuous labors, he took a long drink of water
and attacked the ropes on his feet. They were comparatively easy to
loosen, and soon he stood up unbound.

"Now for the secret panel!" he exclaimed, for he was convinced that it
was by some such means that his captor had entered and left. As has
already been explained, Mark knew on which side of his prison the
opening was likely to be--it would be where the warning knocks had
sounded. He began a minute inspection of that wall.

But if Mark hoped to speedily discover the secret he was doomed to
disappointment. He went over every inch of the surface, seemingly, and
pressed on every depression or projection that met his eye, as he
passed the candle flame along the wall.

Success did not reward him, and, as hour after hour passed, and the
candle burned lower and lower, Mark began to despair.

"I must escape before the projectile leaves," he murmured. "It will
never do to let them take that man with them under the impression that
they have me. I must escape! I will!"

Once more he began the tiresome task of seeking the secret spring. The
candle was spluttering in the socket now. It would burn hardly another
minute. Desperately Mark sought.

At last, just as the candle gave a dying gasp and flared brightly up
prior to going out, the lad saw a small screw head he had not noticed
before. It was sunk deep in a board.

"I'll press that and see what happens!" he exclaimed.

With a suddenness that was startling, he found himself in total
darkness. The candle had burned out, but he had his finger on the
screw. He pressed it with all his force.

There was a rumbling sound in the darkness, a movement as if some heavy
body had slid out of the way, and Mark felt a breath of air on his
cheeks. Then he saw a dim light.

"Oh, I'm out! I'm out!" he cried joyously, breathing a prayer of
thankfulness at his deliverance. "I'm free! I pushed on the right
spring, and the panel slid back!"

He fairly leaped forward. The morning light was streaming in through
the broken windows. He saw himself in the old hall of the mansion, at
the head of the stairs, in a sort of anteroom, the mantle of which
apartment had swung aside to give him egress from the secret chamber
through a hole in the wall. He was free!

"But am I in time?" he cried. "It is morning--and about ten o'clock, I
should judge. I've been working to get free all night. Will I be in

He gave one last look behind at his prison and sprang down the rickety
stairs. He had but one thought--to reach home in time to unmask the
villain who was impersonating him--to be in time to make the journey to
the moon.

"But it's several miles, and I can't walk very fast," murmured Mark.
"I'm too stiff and weak. How can I do it?"

He thought of making his way to the nearest farm house, and asking for
the loan of a horse and carriage, but he looked so much like a tramp
that no farmer would lend him a horse.

"And I need to make speed," he murmured.

At that moment he heard a noise down the road. It was a steady "chug-
chug," like some distant motor-boat, but there was no water near at

"A motorcycle!" exclaimed Mark. "Some one is coming on a motorcycle.
Oh, if I could only borrow it!"

He ran down into the road. He could see the rider now. To his joy it
was Dick Johnson--the lad who had brought him the mysterious note.

"Hi Dick! Dick! hold on!" cried Mark.

The lad on the motor gave one glance at the ragged figure that had
hailed him. Then he turned on more power to escape from what he thought
was a savage tramp.

"Wait! Stop! I want that motorcycle!" cried Mark.

"Well, you're not going to get it!" yelled back Dick. "I'll send the
police after you."

Mark couldn't understand. Then a glance down at his ragged garments
showed him what was the matter.

"Wait! Hold on, Dick!" he cried, running forward. "I'm Mark Sampson!
I've had a terrible time! I was captured by that mysterious man, and
he's got my clothes. I must get home quick!"

Dick heard, but scarcely understood. However, he comprehended that his
friend was in trouble, and he wanted to help him. He slowed up, and
Mark reached him.

"Lend me your motorcycle, Dick," begged Mark. "I must get home in a
hurry to unmask a scoundrel. I'll leave your machine for you at our
house. I won't hurt it. I'm in a hurry! Get off!"

Somewhat dazed, Dick dismounted, and Mark climbed into the saddle. He
began to pedal, and then threw in the gasolene and spark. The cycle
chugged off.

"I'll leave it for you at our house," Mark called back. "I'm going on a
trip to the moon, and I don't want to be late."

He was fast disappearing in a cloud of dust, while Dick, gazing after
him, remarked:

"Well, I always thought those fellows were crazy to go off in
projectiles and things like that, and now I'm sure of it. Going to the
moon! Well, I only hope he doesn't take my motorcycle there!"

Mark sped on, turning the handle levers to get the last notch of speed
out of the cycle. Would he be in time?



Perhaps Washington White's Shanghai rooster did not care to make the
trip to the moon, or perhaps the fowl had not yet seen enough of this
earth. At any rate, when he flew from the projectile, uttering loud
crows, and landed some distance away, he began to run back toward the
coop in the rear of the yard.

"Cotch him, cotch him!" yelled the colored man. "Dat's a valuable

"We'll get him when he goes in the coop," said Jack, who found it
difficult to run and laugh at the same time.

"Shall I fire my rifle off and scare him?" asked Andy Sudds.

"No, you might kill him or scare him t' death," objected Washington.

"Come on, Mark, and help," cried Jack, looking toward the projectile,
where a figure was peering from the glass-covered port of the main

But the figure, whose hand was done up in voluminous bandages, did not
come out, and Jack wondered the more at what he thought was a growing
strangeness on the part of his chum.

Jack, followed by Andy and Washington, raced off after the rooster,
while the two professors, somewhat amused, rather chaffed at the delay.
But afterward they were glad of it.

"Just my luck!" muttered the bandaged one. "This delay comes at the
wrong time. Why don't they go on without that confounded rooster? If we
stay here too long, that fellow Mark may get loose and spoil the whole
thing, or Jenkins may go and release him before the time set. It would
be just like Jenkins! I've a good notion to start the projectile
myself. I know how to operate the Cardite motor. Only I suppose those
two professors are on guard in the engine room. I'll have to wait until
they catch that rooster, I guess, but I'd like to wring his neck!"

The chase after the fowl was kept up.

"I've got him now!" cried Jack a little later, as the fowl, evidently
now much exhausted, ran into another fence corner, where Jack caught
him, and shut him up in the coop in the projectile.

"Yo' suttinly am de mos' contrary-minded specimen ob de chicken fambly
dat I eber seed," observed Washington, breathing heavily, for his run
had winded him.

"Well, are we all ready to start now?" asked Professor Henderson. "No
more live stock loose, is there, Jack?"

"I think not."

"Where's Mark? Wasn't he helping you catch the rooster?"

"No, he's inside. Shall I seal the door?"

"Yes, and I'll tell Professor Roumann that we're about to start. All
ready for the moon trip!"

Jack was pulling the steel portal toward him. An eager face, peering
from a port, waited anxiously for the tremor which would indicate that
the projectile had left the earth. In another moment they would be off.

But what was that sound coming from down the highway. A steady chug-
chug--a sort of roar, as of a battery of rapid-fire guns going off in
double relays! And, mingled with the explosions, there was a voice

"Wait! Hold on! Don't go without me! I'm Mark Sampson! Don't start the

"Somebody must be in a mighty hurry on a motorcycle," thought Jack, as
he paused a moment before fastening the door. Then the shouts came to
his ears.

"Mark Sampson!" he cried.

Again came the cry: "Wait! Wait! Don't go without me! You've got that
mysterious man on board!"

"Mark Sampson!" murmured Jack again. "That's his voice sure enough! I
wonder--can it be possible--that man--with his head all bandaged up--
his queer actions--I--I----"

Words failed the youth. Throwing wide open the door, he sprang out of
the projectile. A moment later there dashed into the yard, where the
great projectile rested, a strange figure astride of a puffing
motorcycle. The figure was torn and, ragged, and the nondescript
garments were covered with dust, for Mark had had a fall. But there was
no mistaking the face that peered eagerly forward.

"Jack!" cried the youth on the machine.

"Mark!" ejaculated the lad who had sprung from the projectile. "What
has happened? Who is the fellow who has been masquerading as you?"

"A scoundrel and a villain! Let me get at him!" and, slamming on the
brakes, as he shut off the power, Mark leaped from the motorcycle,
stood it up against the projectile, and clasped his chum by the hand.

"What's the matter?" asked Professor Henderson, as he, too, ran out of
the _Annihilator_. "What does that tramp want, Jack? Give him some
money, and get back in here; we ought to have started long ago." He
looked at the ragged figure.

"This isn't a tramp," cried Jack. "It's Mark!"

"Mark! I thought----"

"There have been strange doings," gasped the lad in tramp's garments.
"I have just escaped from being kept a prisoner. Where is the
mysterious man? Oh, I'm glad I arrived in time! Were you about to

"That's what we were," replied Jack. "Oh, Mark, but I'm glad to see you
again! I didn't know what to think. You acted so strange--or, rather,
the fellow we thought was you had me guessing!"

"Good land a' massy!" exclaimed Washington White, as he stood in the
doorway, with Andy Sudds behind him. "Am dere two Marks? What's up,

"Don't let that fellow get away--the fellow who passed himself off as
me!" shouted Mark. "Lock him up! There's some mystery about him that
must be explained. He's a dangerous man to be at large."

Professor Henderson turned back to enter the projectile. Jack advised
Andy to get his gun ready, with which to threaten the scoundrel in case
of necessity.

At that instant there sounded a crash of glass, and the whole front of
the big observation window in the side of the _Annihilator_ was smashed
to atoms. A figure leaped--a figure which no longer had its head
bandaged, and whose arm was no longer in a sling--the figure of a man--
the mysterious man who had held Mark a prisoner!

"There he goes!" shouted Jack. "Catch him, somebody! Andy, where's your

"I'll have it in a jiffy!" cried the hunter, as he dashed back to get

But the man did not linger. Scrambling to his feet after his fall,
caused by his leap from the broken window, which he had smashed with a
sledge hammer as soon as he understood that his game was up, he raced
out of the yard. He turned long enough to shake his fist at the group
assembled around the projectile, and then leaped away, calling out some
words which they could not hear.

"Let's take after him," proposed Mark.

"Come on," seconded Jack.

"No, let him go; he's a desperate man, and you came just in time to
unmask him," said Professor Henderson. "He might harm you if you took
after him. Let him go. He has not done much damage. We can easily
replace the broken window. But I can't understand what his object was
in disguising himself as Mark. He certainly looked like you, Mark,
especially when he kept his face concealed. Why did he do it?"

"He wanted to go to the moon in my place," answered the former prisoner
of the deserted house.

"But why?" insisted Jack.

"Because, I think, he's crazy, and he didn't really know what he did
want. But he certainly had me well concealed," spoke Mark. "I'm free
now, however, and as soon as I get some decent clothes on I'll go with
you to the moon. I wouldn't want the moon people to see me dressed this

"How did it happen?" asked Jack. "Tell us all about it. My! but I
certainly have been puzzled since you--or rather since the person we
thought was you--came back last night all bunged up. Give us the

"I will; give me a chance. I guess that villain is gone for good." Andy
Sudds came out with his gun, and insisted on taking a look down the
road and around the premises. The man was nowhere in sight.

"Now we're in for another delay," remarked Jack ruefully, as he gazed
at the smashed window. "It seems as if we'd never get started for the

"Oh, yes, we will," declared Professor Henderson. "We have some extra
heavy plate glass in the shop, and we can soon put in another
observation window."

"Let's get right to work then," proposed Jack. "That man may come back.
Did you learn who he was, Mark?"

"No, he wouldn't tell his name, and he said he was doing this to get
revenge on us for some fancied wrong. I can't imagine who he is. But
let's work and talk at the same time. I'll tell you all that happened
to me," which he did briefly.

Mark soon got rid of the tramp clothes, and donned an extra suit which
had been packed in his trunk in the projectile. Then he helped replace
the broken window, which, in spite of their haste, took nearly all the
rest of the day to put in place.

"Shall we wait and start to-morrow?" asked Jack, when four o'clock
came. "It will soon be dark."

"Darkness will make no difference to us," announced Professor Roumann.
"Our Cardite motor will soon take us out of the shadow of the earth,
and we will be in perpetual sunshine until we reach the moon. As we are
all ready, we might as well start now."

They all agreed with this, and, after a final inspection of the
projectile, the travellers entered it, and Jack was once more about to
seal the big door.

Before he could do so there came riding into the yard, on his
motorcycle, which he had claimed that afternoon, Dick Johnson.

"Wait a minute," he cried. "I've got a letter for you. It's from that

"What--another thing to delay us?" cried Jack, but he called to
Professor Roumann not to start the motor, and ran to take from Dick the
letter which the lad held out.

"That same man who gave me the one for Mark gave me this, and he paid
me a half a dollar to bring it here," said the boy.

"All right," answered Jack impatiently.

He looked at the note. It was addressed to the "Moon Travellers," and,
considering that he was one, the youth tore open the envelope. In the
dim light of the fading day he read the bold handwriting.

"I have fixed you," the letter began. "You will never get to the moon.
I shall have my revenge. You took my brother Fred Axtell to Mars and
left him there. I determined to get him back, and to that end I
disguised myself as one of the boys, and got aboard. When we were
safely away from the earth, I would have compelled you to go to Mars
and rescue my brother. But my plan has failed. I will have my revenge,
though. You will never reach the moon, even if you do get started.
Beware! George, the brother of Fred Axtell, will avenge his fate!"

"The brother of the crazy machinist!" gasped Jack. "Now I understand
his strange actions. He's crazy, too--he wanted to go to Mars--he says
we will never reach the moon! Say, look here!" cried Jack, raising his
voice. "Here's bad news! That scoundrel has put some game up on us!
Maybe he's tampered with the machinery! It won't be safe to start for
the moon until we've looked over everything carefully! He says he's
fixed us, and perhaps he has!"

From the projectile came hurrying the would-be moon travellers, a vague
fear in their hearts.



In the gathering twilight Professor Henderson read slowly the note Dick
had brought. Then he passed it to Professor Roumann. The latter shook
his shaggy gray hair, and murmured something in German.

"Where did you meet the man?" asked Jack of the young motorcyclist.

"About two miles down the road. He was walking along, sort of talking
to himself, and I was afraid of him. He called to me, and offered me a
half a dollar to deliver this message. I didn't want to at first, but
he said if I didn't he'd hurt me, so I took it. Is it anything bad?"

"We don't know yet," replied Mark.

"No, that is the worst of it," added Professor Roumann. "He has made a
threat, but we can't tell whether or not he will accomplish it. We are
in the dark. He may have done some secret damage to our machinery, and
it will take a careful inspection to show it."

"And will the inspection have to be made now?" asked Jack.

"I think so," answered Professor Henderson gravely. "It would not be
safe to start for the moon and have a breakdown before we got there. We
must wait until morning to begin our trip."

"It will be the safest," spoke the German, and the boys, in spite of
the fact that they were anxious to get under way, were forced to the
same conclusion.

"Then if we're going to camp here for the night," proposed old Andy,
"what's the matter with me and the boys having a hunt for that man?
We've put up with enough from him, and it's time he was punished. If we
let him go on, he'll annoy us all the while, if not now, then after we
get back from the moon. I'm for giving him a chase and having him

"He certainly deserves some punishment, if only for the way he treated
Mark," was Jack's opinion, his chum having related how he was drugged
and kept a prisoner in the secret room, and how he escaped in time to
unmask the villain.

"Well," said Professor Henderson, after some thought, "it might not be
a bad plan to see if you could get that scoundrel put in some safe
place, where he could make no more trouble for us. I guess the lunatic
asylum is where he belongs, though I can sympathize with him on account
of his brother. But it was not our fault that the crazy machinist went
with us to Mars. He was a stowaway, and went against our wishes, and
when he got there he tried to injure us."

"Then may Mark, Andy and I see if we can find this man?" asked Jack.

"Yes, but be careful not to get separated; and don't run any risks,"
cautioned the professor. "Mr. Roumann and I, with the help of
Washington, will go carefully over all the machinery, and every part of
the projectile, to see if any hidden damage has been done. But don't
stay out too late. You had better notify the police. They may be able
to give you some aid, and I don't mind letting them know about it now,
as we will soon be away from here, because, no matter if they do send
detectives or constables spying about now, they can learn none of our

Waiting only to partake of a hasty meal, the two boys and the veteran
hunter set out, Andy with his gun over his shoulder and his sharp eyes
on the lookout for any sign of Axtell, though they hardly expected to
find him in the vicinity of the projectile.

Taking the road, on which Dick Johnson said he had encountered the man,
the two lads and Andy proceeded, making inquiries from time to time of
persons they met. But no one had seen Axtell, and the insane man, for
such he seemed to be, appeared to have dropped out of sight.

On into the village the searchers went, and there they reported matters
to the chief of police, telling him only so much as was necessary to
give him an understanding of the situation.

"I'll send a couple of my best constables right out on the case," said
the chief. "We've just appointed two new ones, and I guess they'll be
glad to arrest somebody."

"Let them look out that this fellow doesn't drug them and carry them
away," cautioned Mark.

"Oh, I guess my constables can look out for theirselves," spoke the
chief proudly.

Once more the trailers sallied forth to renew their search. They
thought perhaps they might find their man lingering in the town, but a
search through the principal streets did not disclose him, and Mark
proposed that they return to their home for the night, as he was tired
and weary from his experience in the deserted house.

As they were turning out of the town, their attention was attracted by
a disturbance on the street just ahead of them. A woman screamed, and
men's voices were heard. Then came cries of: "Police! Police!"

"Some one's in trouble!" exclaimed Jack. "Let's go see what it is."

They broke into a run, and, as they approached, they saw a crowd
quickly collect. It seemed to center about a man who was being held by
two others, though he struggled to get away.

"Here, what's the trouble?" the boys heard a constable ask as he
shouldered his way into the throng.

"This fellow tried to snatch this lady's purse and run away with it,"
explained one of the men who had grabbed the scoundrel. "Stand still,
you brute!" he shouted at him, "or I'll shake you to pieces! Such
fellows as you ought to go to the whipping-post!"

"I'll take charge of him," announced the officer. "Who is he? Does any
one know?"

"Stranger in town, I guess," volunteered the other man, who had helped
capture him. "Need any help, officer?"

"No, I guess I can manage him. Come along now, and behave yourself, or
I'll use my club. It hasn't been tried on any one yet."

"That's one of the new constables, I guess," said Mark, and Jack

The crowd separated to allow the officer to take out his prisoner. As
the latter walked forward in the grip of the constable, he remarked in
a mild voice totally at variance with his bold act:

"Why, I only wanted a little change to pay my fare to the moon. I'm
going there to look for my brother."

"Crazy as a loon," said one of the men.

"Or pretending that he is," added the officer.

"Mark!" cried Jack, pointing at the prisoner, "look!"

"The man who held me captive!" gasped Mark. "And he's wearing my
clothes yet! But he's in custody now, and we needn't fear any more from

"Unless he gets away," said Jack.

"We'll go tell the chief who he is, and he'll keep him safe," suggested
Mark, and they hurried to headquarters, reaching there just before the
prisoner was brought in. The boys were assured by the chief that the
man, who was evidently a dangerous lunatic, would be kept where he
could do no harm. He would be arraigned later on the serious charge of
attempted highway robbery, as well as of being a dangerous lunatic at
large. When the boys and Andy got back, they found the two professors
and Washington still going over the machinery in detail.

"Find anything wrong?" asked Jack, after they had told of the arrest of

"No, but we will have another look in the morning," said Mr. Henderson.
"Then, if we find nothing out of order, I think we will take a chance
and start."

A thorough inspection by all hands the next day did not disclose
anything wrong, and, a test of the motors and other machinery having
shown that it was in good working shape, it was decided to leave the

"At last, I think, we are really going to get under way to the moon,"
said Jack, as he closed the big main door. This time it was not
reopened. All the stores and supplies were in place. The two professors
were in the engine room. Washington White was in his galley, getting
ready to serve the first meal in the air. Jack and Mark were in the
pilot house, ready to do whatever was necessary and anxious to feel the
thrill that would tell them the projectile had left the earth.

"All ready?" asked Professor Henderson.

"All ready," replied his German assistant.

"Then here we go!" announced the aged scientist.

He pulled toward him the main starting lever of the Cardite motor,
while Professor Roumann opened the valve which admitted to the plates
and cylinders the mysterious force that was to send them on their way.

"Elevate the bow!" called Professor Henderson.

"Elevated it is," answered the German, as he turned a wheel which
directed the negative gravity force against the surface of the ground
and tilted up the nose of the _Annihilator_, as a skyrocket is slanted
in a trough before the fuse is ignited.

"Throw over the switch," directed Mr. Henderson, and the other
scientist, with a quick motion, snapped it into place, amid a shower of
vicious electric sparks that hissed as when hot iron is thrust into

"Steer straight ahead!" called Professor Henderson to Mark and Jack,
who were in the pilot house. "We'll head for the moon later."

"Straight ahead it is," answered Jack.

There was a trembling to the great projectile. Up rose her sharp-
pointed bow. She swayed slightly in the air. The trembling increased.
The great Cardite motor hummed and throbbed. There was a crackling as
from a wireless apparatus.

Then, with a rush and a roar, the big steel car, resembling an enormous
cigar, soared away from the earth, like some gigantic piece of
fireworks, and shot toward the sky.

"We're off!" shouted Mark.

"For the moon!" added Jack.

And the _Annihilator_ soared upward and onward, while those in her
never dreamed of the fearful adventures that were to befall them ere
they would again be headed toward the earth.



Remaining in the engine room long enough to see that all the motors and
apparatus were working smoothly, Professor Henderson made his way to
the pilot house forward, where Mark and Jack were in charge of the
steering gears. The projectile could be started and stopped from there,
as well as from the engine room, once the motor was set going.

"Well, boys, how does it feel to be in space once more?" asked the

"Fine," answered Mark. "But while I was shut up in that old house I
feared I'd never have this chance again."

"It seems like old times again, to be flying through space," remarked
Jack. "My! but we aren't making half the speed of which the projectile
is capable. Why, we're only going about twenty miles a second," and he
spoke as if that was a mere nothing.

"Twenty miles is some speed," observed Mark.

"The earth goes around the sun at the rate of nineteen miles a second,
or about seventy-five times as fast as the swiftest cannon-ball, so you
see, Jack, you are 'going some,' as the boys say."

"Yes, but we went much faster when we went to Mars. Still, no matter
how fast we travel, you'd never realize it inside here."

This was true. So well balanced was the projectile, and so delicately
poised was the machinery, that the terrifically fast rate of travel,
rivalling that of the earth, was no more noticed than we, on this
globe, notice our pace of nineteen miles a second around the sun.

"Everything seems to be all right," observed Professor Henderson, as he
looked out of the plate-glass window of the pilot house into a sea of
rolling mist, which represented the ether, for they had soon passed
through the atmosphere of the earth, which scientists estimate to be
two hundred miles in thickness.

"Are we going to move any faster than this?" asked Jack, who seemed
possessed of a speed mania.

"Not right away," replied Mr. Henderson. "Professor Roumann wants to
thoroughly test the Cardite motor first. Then, when he finds that it
works all right, we may go faster. But we will be at the moon soon
enough as it is. It is time we headed more directly on our proper way,
though, so I think I will ask Mr. Roumann to step here and aid me in
getting the projectile on the right course. You boys had better remain
also and learn how it is done. You may need to know some time."

"I'll call the professor here, if he can leave the engine room," said
Mark, and he found the German bending over some complicated apparatus.
The scientist announced that the machines would run themselves
automatically for a while, so he accompanied the lad back to the pilot-

There, consulting big charts of the heavens, and by making some
intricate calculations, which the boys partly understood, the German
and Mr. Henderson were able to locate the exact position of the moon,
though that body was not then in sight, being behind the earth.

"That ought to bring us there inside of a week," announced Mr.
Henderson, as he fastened the automatic steering apparatus in place.
"The projectile will now be held on a straight course, and I hope we
shall not have to change it."

"Could anything cause us to swerve to one side?" asked Jack.

"Sure," replied Mark. "Don't you remember how, in the trip to Mars, we
nearly collided with the comet? If we are in danger of hitting another
one of those things, or even a meteor, we'll steer out of the way,
won't we?"

"Of course. I forgot about that," admitted Jack.

"Yes," declared Professor Roumann, "we'll have to be on the lookout for
wandering meteors or other stray heavenly bodies. But our instruments
will give us timely warning of them. Now, I think we can leave the
projectile to herself while I make sure that all the machinery is
running smoothly. You boys may stay here if you like, though there
isn't much to see."

There wasn't. It was totally unlike taking a trip on earth, where the
ever-varying scenery makes a journey pleasant. There was no landscape
to greet the eye now. It was even unlike a trip in a balloon, for in
that sort of air-craft, at least for a time, a glimpse of the earth can
be had. Now there was nothing but a white blanket of mist to be seen,
which rolled this way and that. Occasionally it was dispelled, and the
full, golden sunlight bathed the projectile. The earth had long since
dropped out of sight, for it required only a few seconds to put the
_Annihilator_ high up in a position where even the most intrepid
balloonist had never ventured.

Mark and Jack sat for a few minutes in the pilot-house, looking out
into the ether. But they soon tired of seeing absolutely nothing.

"I wonder what we'll do when we get to the moon?" asked Jack of his

"Why, I suppose you'll make a dive for a hatful of diamonds, won't you?
That is, if you still believe that Martian newspaper account."

"I sure do."

The boys found the two professors busy adjusting some of the delicate
scientific instruments with which they expected to make observations on
the trip, and after they reached the moon.

"What is your opinion, Professor Roumann, of the temperature at the
moon's surface?" asked Mr. Henderson.

"I am in two minds about it," was the reply. "A few years ago, I see by
an astronomy, Lord Rosse inferred from his observations that the
temperature rose at its maximum (or about three days after full moon)
far above that of boiling water."

"Boiling water!" ejaculated Mark. "Wow! That won't be very nice. I
don't want to be boiled like a lobster!"

"Wait a moment," cautioned Mr. Roumann, with a smile. "Later, Lord
Rosse's own investigations, and those of Langley, threw some doubts on
this. There is said to be no air blanket about the moon, as there is
about the earth, so that the moon loses heat as fast as it receives it;
and it now seems more probable that the temperature never rises above
the freezing point of water, just as is the case on our highest

"That's better," came from Jack. "We can stand a low temperature more
easily than we can to be boiled; eh, Jack?"

"Sure. But I don't want to be frozen or boiled either, if I can help
it. Guess I'll wear my fur suit that we brought back from the North
Pole with us."

"I agree with you, Professor Roumann, about the temperature," announced
Mr. Henderson, "so we must make up our minds to shiver, rather than
melt. But we are prepared for that."

"What about there being no air on the moon?" asked Jack.

"Oh, we can manufacture our own oxygen," said Mark. "We can walk around
with an air tank on our shoulders, as we did when we went beneath the
surface of the ocean. Now, I guess----"

"Dinner am served in de dining car!" interrupted Washington White, his
black face grinning cheerfully. He used to be a waiter in a Pullman,
and he was proud of it. "First call fo' dinner!" he went on. "Part ob
it am boiled, part am roasted, laik I done heah yo' talkin' 'bout jest
now, an' part am frozed--dat's de ice cream," he added hastily, lest
there be a mistake about it.

"Well, that sounds good," observed Mark. "Come on, everybody," and he
led the way to the dining cabin.

They had not been at the table more than a few minutes, and had begun
on the "boiled" part of the meal, which was the soup, when from the
engine room there came a curious, whining noise, as when an electric
motor slows up.

"What's that?" cried Professor Henderson, jumping up from his seat in

"Something wrong in the engine room," cried Mr. Roumann.

The two scientists, followed by the boys, hurried to where the various
pieces of apparatus were sending the projectile forward through space.
Already there was an appreciable slackening of speed.

"The Cardite motor has stopped!" cried Mr. Roumann. "Something has
happened to it!"

"Can it be the result of the damage which that lunatic did?" asked Mr.

"Perhaps," spoke Jack. "If I had him here----"

"We are falling!" shouted Mark, looking at an indicator which marked
their speed and motion.

"Can't we start some other motor?" asked Jack.

At that instant from beneath the now silent Cardite machine there came
a prolonged crow.

"My Shanghai rooster!" shouted Washington. "He am in dar!"

A second later the rooster scrambled out, scratching vigorously. Grains
of corn were scattered about. The motor started up again, and the
projectile resumed its onward way.

"The rooster stopped it!" cried Jack. "He went under it to get some
corn, and he must have deranged one of the levers. Oh, you old
Shanghai, you nearly gave us all heart disease!"

And the rooster crowed louder than before, while his colored owner
"shooed" him out of the engine room. The trouble was over speedily, and
the _Annihilator_ was once more speeding toward the moon.



"Well, for a trouble-maker, give me a rooster every time," spoke Jack,
as, after an examination of the machinery, it was found that nothing
was out of order. "How do you think it happened, Professor Henderson?"

"It never could have happened except in just that way," was the reply
of Mr. Roumann. "Underneath the motor, where they are supposed to be
out of all reach, are several self-adjusting levers. They control the
speed, and also, by being moved in a certain direction, they will shut
down the apparatus. The rooster crawled beneath the machine, an act
that I never figured on, for I knew it was too small for any of us to
reach with our hands or arms, even had we so desired. But the
Shanghai's feathers must have brushed against the levers, and that
stopped the action of the Cardite motor. However, I'm glad it was no

"Yes, let's finish dinner now, if everything is all right," proposed

"How did the rooster get in here?" asked Jack.

"I 'spects dat's my fault," answered Washington. "I took him out ob his
coop fo' a little exercise dis mawnin', an' he run in heah."

"That explains it, I think," said Mr. Roumann. "Well, Washington, don't
let it happen again. We don't want to be dashed downward through space
all on account of a rooster."

"No, indeedy; I'll lock him up good an' tight arter dis," promised the
colored man.

They resumed the interrupted dinner, discussing the possibility of what
might have happened, and congratulating themselves that it did not take

"It certainly seems like old times to be eating while travelling along
like a cannon-ball," remarked Jack. "I declare, it gives me an

"You didn't need any," retorted his chum. "But say! maybe things don't
taste good to me, after what I got while that fellow Axtell had me a
prisoner! Jack, I'll have a little more of that cocoanut pie, if you
don't mind."

Jack passed over the pastry, and Mark took a liberal piece. Then
Washington brought in the ice cream, which was frozen on board by means
of an ammonia gas apparatus, the invention of Professor Henderson. The
novelty of dining as comfortably as at home, yet being thousands of
miles above the earth, and, at the same time, speeding along like a
cannon-ball, did not impress our friends as much as it had during their
trip to Mars.

"Well, we're making a little better time now," observed Mark, as he and
the others rose from the table and went to the engine room. "The gauge
shows that we're making twenty-five miles a second."

"We will soon go much faster," announced Professor Roumann. "I have not
yet had a chance to test my Cardite motor to its fullest speed, and I
think I will do so. I wish to see if it will equal my Etherium machine.
I'll turn on the power gradually now, and we'll see what happens."

"How fast do you think it ought to send us along?" asked Jack.

"Oh, perhaps one hundred and twenty-five miles a second. You know we
went a hundred miles a second when we headed for Mars. I would not be
surprised if we made even one hundred and thirty miles a second with
the Cardite."

"Whew! If we ever hit anything going like that!" exclaimed old Andy

"We'd go right through it," finished Jack fervently. The professor was
soon ready for the test. Slowly he shoved over the controlling lever.
The Cardite motor hummed more loudly, like some great cat purring.
Louder snapped the electrical waves. The air vibrated with the enormous
speed of the valve wheels, and there was a prickling sensation as the
power flowed into the positive and negative plates, by which the
projectile was moved through space.

"Watch the hand of the speed indicator, boys," directed Professor
Roumann, "while Professor Henderson and I manipulate the motor. Call
out the figures to us, for we must keep our eyes on the valves." Slowly
the speed indicator hand, which was like that of an automobile
speedometer, swept over the dial.

"Fifty miles a second," read off Mark. The two professors shoved the
levers over still more.

"Seventy-five," called Jack.

"Give it a little more of the positive current," directed Mr. Roumann.

"Ninety miles a second," read Mark a few moments later.

"We are creeping up, but we have not yet equalled our former speed,"
spoke Mr. Henderson. The motor was fairly whining now, as if in

"One hundred and five miles," announced Jack.

"Ha! That's some better!" ejaculated the German. "I think we shall do
it." Once more he advanced the speed lever a notch.

"One hundred and thirty!" fairly shouted Mark. "We are beating all

"And we will go still farther beyond them!" cried Mr. Roumann. "Watch
the gauge, boys!"

To the last notch went the speed handle. There was a sharp crackling,
snapping sound, as if the metal of which the motor was composed was
strained to the utmost. Yet it held together.

The hand of the dial quivered. It hung on the one hundred and thirty
mark for a second, as if not wanting to leave it, and then the steel
pointer swept slowly on in a circle, past point after point.

"One hundred and thirty-five--one hundred and forty," whispered Jack,
as if afraid to speak aloud. The two professors did not look up from
the motor. They looked at the oil and lubricating cups. Already the
main shaft was smoking with the heat of friction.

"Look! look!" whispered Mark hoarsely.

"One hundred and fifty-three miles a second!" exclaimed Jack. "You've
done it, Professor Roumann!"

"Yes, I have," spoke the German, with a sigh of satisfaction. "That is
faster than mortal man ever travelled before, and I think no one will
ever equal our speed. We have broken all records--even our own. Now I
will slow down, but we must do it gradually, so as not to strain the

He slipped back the speed lever, notch by notch. The hand of the dial
began receding, but it still marked one hundred and twenty miles a

Suddenly, above the roar and hum of the motor, there sounded the voice
of Andy.

"Professor!" he shouted. "We're heading right toward a big, black
stone! Is that the moon?"

"The moon? No, we are not half way there," said Mr. Henderson. "Are you
sure, Andy?"

"Sure? Yes! I saw it from the window in the pilot-house. We are
shooting right toward it."

"Look to the motor, and I'll see what it is," directed Mr. Henderson to
his friend. Followed by the boys, he hurried to the steering tower. His
worst fears were confirmed.

Speeding along with a swiftness unrivalled even by some stars, the
projectile was lurching toward a great, black heavenly body. "It's a
meteor! An immense meteor!" cried Professor Henderson, "and it's coming
right toward us."

"Will it hit us?" gasped Mark and Jack together.

"I don't know. We must try to avoid it. Boys, notify Professor Roumann
at once. We are in grave danger!"



Together Mark and Jack leaped for the engine room. Their faces showed
the fear they felt. Even before they reached it, they realized that, at
the awful speed at which they were travelling, and the fearful velocity
of the meteor, there might be a crash in mid-air which would destroy
the projectile and end their lives.

"I wonder if we can steer clear of it?" gasped Jack.

"If it's possible the professor will do it," responded his chum.

The next instant they were in the engine room, where Mr. Roumann was
bending over the Cardite motor.

"Shut off the power!" yelled Jack.

"We are going to hit a meteor!" gasped Mark.

The German looked up with a startled glance.

"Slow down?" he repeated. "It is impossible to slow down at once! We
are going ninety miles a second!" He pointed to the speed gauge.

"Then there's going to be a fearful collision!" cried Jack, and he
blurted out the fact of the nearness of the heavenly wanderer.

"So!" exclaimed Professor Roumann. "Dot is bat! ferry bat!" and he
lapsed into the broken language that seldom marked his almost perfect
English. Then, murmuring something in his own tongue, he leaped away
from the motor, calling to the boys:

"Slow it down gradually! Keep pulling the speed lever toward you! I
will set in motion the repelling apparatus and go to help Professor
Henderson steer out of the way. It is our only chance!"

Mark and Jack took their places beside the Cardite motor, which was
still keeping up a fearful speed, though not so fast as at first. To
stop it suddenly would mean that the cessation of strain could not all
be diffused at once, and serious damage might result.

The only way was to come gradually down to the former speed, and, while
Mark kept his eyes on the indicator, Jack pulled the lever toward him,
notch by notch.

"She's down to seventy-five miles a second," whispered Mark. They were
as anxious now to reduce speed as they had been before to increase it.

Meanwhile Professor Roumann had set in motion a curious bit of
apparatus, designed to repel stray meteors or detached bits of comets.
As is well known, bodies floating in space, away from the attraction of
gravitation, attract or repel each other as does a magnet or an
electrically charged object.

Acting on this law of nature, Professor Roumann had, with the aid of
Mr. Henderson, constructed a machine which, when a negative current of
electricity was sent into it, would force away any object that was
approaching the _Annihilator_. In a few moments the boys at the
Cardite motor heard the hum, the throb and crackling that told them
that the repelling apparatus was at work.

But would it act in time? Or would the meteor prove too powerful for
it? And, if it did, would the two scientists be able to steer the
swiftly moving projectile out of the way of the big, black stone, as
the old hunter called it?

These were questions that showed on the faces of the two lads as they
bent over the motor.

"We're only going fifty miles a second now," whispered Jack.

Mark nodded his head. "Can't you pull the lever over faster?" he asked.

"I don't dare," replied his chum. There was nothing to do but to wait
and gradually slow up the projectile as much as possible. The boys
could hear the professors in the pilothouse shifting gears, valves and
levers to change the course of the projectile. Andy Sudds and
Washington White, with fear on their faces, looked into the engine
room, waiting anxiously for the outcome.

"Hab--hab we hit it yet?" asked Washington, moving his hands nervously.

"I reckon not, or we'd know it," said the hunter.

"No, not yet," answered Jack, in a low voice. "How much are we making
now, Mark?"

"Only thirty a second."

"Good! She's coming down."

Hardly had he spoken than there sounded a noise like thunder, or the
rushing of some mighty wind. The projectile, which was trembling
throughout her length from the force of the motor, shivered as though
she had plunged into the unknown depths of some mighty sea. The roaring
increased. Mark and Jack looked at each other. Washington White fell
upon his knees and began praying in a loud voice. Old Andy grasped his
gun, as though to say that, even though on the brink of eternity, he
was ready.

Then, with a scream as of some gigantic shell from a thousand-inch
rifle, something passed over the _Annihilator_; something that shook
the great projectile like a leaf in the wind. And then the scream died
away, and there was silence. For a moment no one spoke, and then Jack
whispered hoarsely:

"We've passed it."

"Yes," added Mark, "we're safe now."

"By golly! I knowed we would!" fairly yelled Washington, leaping to his
feet. "I knowed dat no old meteor could kerflumox us! Perfesser
Henderson he done jumped our boat ober it laik a hunter jumps his boss
ober a fence. Golly! I'se feelin' better now!"

"How did you avoid it?" asked Mark of the professor.

"With the help of the repelling machine and by changing our course. But
we did it only just in time. It was an immense meteor, much larger than
at first appeared, and it was blazing hot. Had it struck us, there
would have been nothing left of us or the projectile either but star
dust. But we managed to pass beneath it, and now we are safe."

They congratulated each other on their lucky escape, and then busied
themselves about various duties aboard the air-craft. The rest of the
day was spent in making minor adjustments to some of the machines,
oiling others, and in planning what they would do when they reached the

In this way three days and nights passed, mainly without incident. They
slept well on board the _Annihilator_, which was speeding so swiftly
through space--slept as comfortably as they had on earth. Each hour
brought them nearer the moon, and they figured on landing on the
surface of that wonderful and weird body in about three days more.

It was on the morning of the fourth day when, as Mark and Jack were
taking their shift in the engine room, that Jack happened to glance
from the side observation window, which was near the Cardite motor.
What he saw caused him to cry out in surprise.

"I say, Mark, look here! There's the moon over there. We're not heading
for it at all!"

"By Jove! You're right!" agreed his chum. "We're off our course!"

"We must tell Professor Henderson!" cried Jack. "I'll do it. You stay
here and watch things."

A few seconds later a very much alarmed youth was rapidly talking to
the two scientists, who were in the pilot-house.

"Some unknown force must have pulled us off our course," Jack was
saying. "The moon is away off to one side of us."

To his surprise, instead of being alarmed, Mr. Roumann only smiled.

"It's true," insisted Jack.

"Of course, it is," agreed Mr. Henderson. "We can see it from here,
Jack," and he pointed to the observation window, from which could be
noticed the moon floating in the sky at the same time the sun was
shining, a phenomenon which is often visible on the earth early in the
morning at certain of the moon's phases.

"Will we ever get there?" asked Jack.

"Of course," replied Mr. Roumann. "You must remember, Jack, that the
moon is moving at the same time we are. Had I headed the projectile for
Luna, and kept it on that course, she would, by the time we reached
her, been in another part of the firmament, and we would have overshot
our mark. So, instead, I aimed the _Annihilator_ at a spot in the
heavens where I calculated the moon would be when we arrived there.
And, if I am not mistaken, we will reach there at the same time, and
drop gently down on Luna."

"Oh, is that it?" asked the lad, much relieved.

"That's it," replied Mr. Henderson. "And that's why we seem to be
headed away from the moon. Her motion will bring her into the right
position for us to land on when the time comes."

"Then I'd better go tell Mark," said the lad. "He's quite worried." He
soon explained matters to his chum, and together they discussed the
many things necessary to keep in mind when one navigates the heavens.

That day saw several thousand more miles reeled off on the journey to
the moon, and that evening (or rather what corresponded to evening, for
it was perpetual daylight) they began to make their preparations for
landing. Their wonderful journey through space was nearing an end.

"I guess that crazy Axtell fellow was only joking when he said we'd
never reach the moon," ventured Jack. "Nothing has happened yet."

"Only the meteor," said Mark, "and he couldn't know about that. I guess
he didn't get a chance to damage any of the machinery."

"No, we seem to be making good time," went on his chum. "I think I'll
go and----"

Jack did not finish his sentence. Instead he stared at one of the
instruments hanging from the walls of the engine room. It was a sort of
barometer to tell their distance from the earth, and it swung to and
fro like a pendulum. Now the instrument was swinging out away from the
wall to which it was attached. Further and further over it inclined.
Jack felt a curious sensation. Mark put his hand to his head.

"I feel--feel dizzy!" he exclaimed. "What is the matter?"

"Something has happened," cried Jack.

The instrument swung over still more. Some tools fell from a work
bench, and landed on the steel floor with a crash. The boys were
staggering about the engine room, unable to maintain their balance.

There came cries of fear from the galley, where Washington White was
rattling away amid his pots and pans. Andy Sudds was calling to some
one, and from the pilot-house came the excited exclamations of
Professors Henderson and Roumann.

"We're turning turtle!" suddenly yelled Jack. "The projectile is
turning over in the air! Something has gone wrong! Perhaps this is the
revenge of that crazy man!" and, as he spoke, he fell over backward,
Mark following him, while the _Annihilator_ was turned completely over
and seemed to be falling down into unfathomable depths.



Confusion reigned aboard the _Annihilator_. It had turned completely
over, and was now moving through space apparently bottom side up. Of
course, being cigar shaped, this did not make any difference as far as
the exterior was concerned, but it did make a great difference to those

The occupants of the great shell had fallen and slid down the rounded
sides of the projectile, and were now standing on what had been the
ceiling. Objects that were not fast had also followed them, scattering
all about, some narrowly missing hitting our friends. Of course, the
machinery was now in the air, over the heads of the travellers.

This was one of the most serious phases of the accident, for the great
Cardite motor was built to run while in the other position, and when it
was turned upside down it immediately stopped, and the projectile,
deprived of its motive power, at once began falling through space.

"What has happened? What caused it?" cried Mark, as he crawled over to
where Jack sat on the ceiling, with a dazed look on his face.

"I don't know. Something went wrong. Here comes Professor Henderson and
Mr. Roumann. We'll ask them."

The two scientists were observed approaching from the pilot-house. They
walked along what had been the ceiling, and when they came to the
engine room they had to climb over the top part of the door frame.

"What's wrong?" asked Jack.

"Our center of gravity has become displaced," answered Mr. Henderson.
"The gravity machine has either broken, or some one has been tampering
with it. Did either of you boys touch it?"

"No, indeed!" cried Mark, and his chum echoed his words.

"I wonder if Washington could have meddled with it?" went on the

At that moment the colored cook came along, making his way cautiously
into the engine room. He was an odd sight. Bits of carrots, turnips and
potatoes were in his hair, while from one ear dangled a bunch of
macaroni, and his clothes were dripping wet.

"My kitchen done turned upside down on me!" wailed Washington, "an' a
whole kettle ob soup emptied on my head! Oh, golly! What happened?"

The aged scientist looked toward the German. The latter was gazing up
at the motionless Cardite motor over his head.

"There is but one way," he answered. "We must restore our centre of
gravity to where it was before. Then the projectile will right

"Can it be done?" asked Mark.

"It will be quite an undertaking, but we must attempt it. Bring some
tables and chairs, so I can stand up and reach the equilibrium

From where they had fallen to the ceiling, which was now the floor,
Jack and Mark brought tables and chairs, and made a sort of stepladder.
On this Professor Roumann mounted, and at once began the readjusting of
the centre of gravity.

It was hard work, for he had to labor with his arms stretched up in the
air, and any one who has even put up pictures knows what that means.
The muscles are unaccustomed to the strain. The German scientist,
though a strong man, had to rest at frequent intervals.

"We're falling rapidly," announced Jack, in a low voice, as he looked
at the height gauge.

"I am doing all I can," answered Mr. Roumann. "I think I will soon be
able to right the craft."

He labored desperately, but he was at a disadvantage, for the
_Annihilator_ was not now moving smoothly through space. With the
stopping of the motor she was falling like some wobbly balloon, swaying
hither and thither in the ether currents.

But Professor Roumann was not one to give up easily. He kept at his
task, aided occasionally by Professor Henderson and by the boys
whenever they could do anything.

Finally the German cried out:

"Ah, I have discovered the trouble. It is that scoundrel Axtell! See!"
And reaching into the interior of the machine he pulled out a small
magnet. To it was attached a card, on which was written:

"I told you I would have my revenge!" It was signed with Axtell's name.

"This was the dastardly plot he evolved," said Professor Roumann. "He
slipped this magnet into the equilibrium machine, knowing that in time
it would cause a deflection of the delicate needles, and so shift the
centre of gravity. He must have done this as a last resort, and to
provide for his revenge in case we discovered him on board after we
started. It was a cruel revenge, for had I not discovered it we would
soon all be killed."

"Is the machine all right now?" asked Jack.

"It will be in a few minutes. Here, take this magnet and put it as far
away from the engine room as possible."

It was the work of but a few minutes, now that the disturbing element
was removed, to readjust the gravity machine, and Mr. Roumann called:

"Look out, now, everybody! We're going to turn right side up again!"

As he spoke he turned a small valve wheel. There was a clanging of
heavy ballast weights, which slid down their rods to the proper places.
Then, like some great fish turning over in the water, the _Annihilator_
turned over in the ether, and was once more on her proper keel, if such
a shaped craft can be said to have a keel.

Of course, the occupants of the space ship went slipping and sliding
back, even as they had fallen ceilingward before, but they were
prepared for it, and no one was hurt. From the galley came a chorus of
cries, as pots and pans once more scattered about Washington, but there
was no more soup to spill.

As soon as the _Annihilator_ was righted, the Cardite motor began to
work automatically, and once more the projectile, with the seekers of
the moon, was shooting through space at their former speed. They had
lost considerable distance, but it was easy to make it up.

"Well, that _was_ an experience," remarked Jack, as he and his chum
began picking up the tools and other objects that were scattered all
about by the change in equilibrium.

"I should say yes," agreed Mark. "I'm glad it didn't happen at dinner
time. That fellow Axtell is a fiend to think of such a thing."

"Indeed, he is! But we're all right now, though it did feel funny to be
turned upside down."

An inspection of the projectile was made, but they could discover no
particular damage done. She seemed to be moving along the same as
before, and, except for the upsetting of things in the store-room, it
would hardly have been known, an hour later, that a dreadful accident
was narrowly averted.

Washington made more soup, and soon had a fine meal ready, over which
the travellers discussed their recent experience.

"And when do you think we will arrive?" asked Jack of Mr. Henderson.

"We ought to be at the moon inside of two days now. We have not made
quite the speed we calculated on, but that does not matter. I think we
will go even more slowly on the remainder of the trip, as I wish to
take some scientific observations."

"Yes, and so do I," added Mr. Roumann. "I think if we make fifteen
miles a second from now on we will be moving fast enough."

Accordingly the Cardite motor was slowed down, and the projectile shot
through space at slightly reduced speed, while the two scientists made
several observations, and did some intricate calculating about ether
pressure, the distance of heavenly bodies and other matters of interest
only to themselves.

It was on the afternoon of the third day following the turning turtle
of the _Annihilator_ that Mark, who was looking through a telescope in
the pilot-house, called out: "I say, Jack, look here!"

"What's the matter?" asked his chum.

"Why, we're rushing right at the moon! I can see the mountains and
craters on it as plain as though we were but five miles away!"

"Then we must be nearly there," observed Jack. "Let's tell the others,

They hurried to inform the two professors, who at once left their
tables of figures and entered the steering chamber. Then, after gazing
through the glass, Mr. Henderson announced: "Friends, we will land on
the moon in half an hour. Get ready."

"Are we really going to be walking around the moon inside of thirty
minutes?" asked Mark.

"I don't know about walking around on it," answered the German. "We
first have to see if there is an atmosphere there for us to breathe,
and whether the temperature is such as we can stand. But the
Annihilator will soon be there."

The speed of the Cardite motor was increased, and so rapidly did the
projectile approach Luna that glasses were no longer needed to
distinguish the surface of the moon.

There she floated in space, a great, silent ball, but not like the
earth, pleasantly green, with lakes and rivers scattered about in
verdant forests. No, for the moon presented a desolate surface to the
gaze of the travellers. Great, rugged mountain peaks arose all about
immense caverns that seemed hundreds of miles deep. The surface was
cracked and seamed, as if by a moonquake. Silence and terrible
loneliness seemed to confront them.

"Maybe it's better on some other part of the surface," said Jack, in a
low voice.

"Perhaps," agreed Mark. "It's certainly not inviting there."

Nearer and nearer they came to the moon. It no longer looked like a
great sphere, for they were so close that their vision could only take
in part of the surface, and it began to flatten out, as the earth does
to a balloonist.

And the nearer they came to it the more rugged, the more terrible, the
more desolate did it appear. Would they be able to find a place to
land, or would they go hurtling down into some awful crater, or be
dashed upon the sharp peak of some mountain of the moon?

It was a momentous question, and anxious were the faces of the two

"Mr. Henderson, if you will undertake to steer to some level place, I
will take charge of the motor," suggested Mr. Roumann. "I will
gradually reduce the speed, and get the repelling machine in readiness,
so as to render our landing gentle."

"Very well," responded the aged scientist, as he grasped the steering

The progress of the _Annihilator_ was gradually checked. More and more
slowly it approached the moon. The mountains seemed even higher now,
and the craters deeper.

"What a terrible place," murmured Jack. "I shouldn't want to live

"Me either," said Mark.

"Can you see a place to land?" called Professor Roumann through the
speaking-tube from the engine room to the steering tower.

"Yes, we seem to be approaching a fairly level plateau," was Mr.
Henderson's reply.

"Very well, then, I'll start the repelling machine."

The Cardite motor was stopped. The projectile was now being drawn
toward the moon by the gravity force of the dead ball that once had
been a world like ours. Slowly and more slowly moved the great

There was a moment of suspense. Mr. Henderson threw over the steering
wheel. The _Annihilator_ moved more slowly. Then came a gentle shock.
The dishes in the galley rattled, and there was the clank of machinery.
The Shanghai rooster crowed.

"We're on the moon at last!" cried jack, peering from an observation
window at the rugged surface outside.

"Yes; and now to see what it's like," added Mark. "We'll go outside,

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