Again: "_I'm sorry. Your time is up!_"

And after that a click, and after that silence.

I jiggled the hook a few times. No result. I shrugged. I hung up and

rearranged the papers on my desk and went back to work, forgetting for

the moment the party I'd been trying to call in the first place. And

forgetting the odd conversation I had just had. No--not quite. Not

quite forgetting it. Queerly, it clung to my mind. What had he said his

name was? Zon Twenty. Sounded like that, anyway. Odd name. Of course

I still thought it was a gag of some kind. Yet it bothered me. Zon's

manner, his tone of voice had been so convincing. What he had said

suggested that in some queer way I had managed to place a telephone

call into the future. But as a sane, normal, recently promoted colonel,

I knew this was impossible.

At lunch I was still thinking about it. I ate in the officers' mess

on my floor and steered my tray through the line. I saw, among other

acquaintances Major "Clipper" Moskowitz at a far table, and remembered

that he was a great science fan, always talking about rockets and

reaching the moon, and that sort of thing--we had one argument about

why a rocket works in a vacuum, such as space, and he hammered the

table and drew diagrams and quoted Newton, and I'm still not convinced.

Anyway, I went over and sat next to Clipper.

"'Lo, Larry. How's it?" he said.

"Routine," I said. "Latest request for overseas duty turned down. I'll

probably die in the Pentagon with my pencil still behind my ear."

We talked of such things for several minutes.

"Clipper," I said finally, "you're the G.L.E. on this future science

stuff--"

"The what?"

"Greatest Living Expert. Latest Pentagonese. Tell me, what do you think

of the possibility of ever being in touch with the future?"

"You mean time travel?"

"I guess that's what you'd call it."

"Time travel is nonsense," he said. "A logical absurdity. By

definition, time is a series of infinitesimally small moments in

succession. Once a point in time is established, it can't be changed,

any more than energy can be destroyed."

"I didn't say anything about changing anything. I was thinking

about--well, talking with somebody in the future."

"Just as paradoxical," he said, shrugging, and taking a huge bite

of braised beef tongue. "If you go into the future--or talk to the

future--the future affects the change, through you. In other words, if

you can't go back into the past, neither can people from the future.

And it's inconceivable that such a thing wouldn't make changes. Maybe

only small ones, but they'd multiply in time. '_Thou canst not change

a flower, without troubling of a star._' That's Francis Thompson. You

step on one spider today, and you affect the evolution of spiders, the

ecology of all other things in the distant future. By a simple act like

that you could destroy or create a whole species to come."

"My head swimmeth," I said. "All I want to know is--"

He wasn't even listening to me. He enjoyed spouting this kind of thing.

"Of course, it's theoretically possible for you to _witness_ events out

of the past, without being party to them. If, for instance, you could

travel away from Earth at more than the speed of light, overtaking the

light waves of an event--say, the Monitor and Merrimac fight--"

"Or the Battle of Gettysburg," I said, loyal to the core.

"--you could look back and see it happen. The future? I doubt it.

Unless in some way time and space actually curve back upon themselves,

as some think."

"Uh huh," I said, and drank my coffee and finally left Clipper

Moskowitz.

* * * * *

After that I did manage to forget about Zon Twenty temporarily. It was

a busy week. The draft quota had gone up, and Personnel Planning had

worked out new criteria for classification, and I had to study these to

apply them to analysis. This won't make much sense to you unless you've

worked in a military headquarters yourself. I worked. I had a dim idea

that if I worked hard enough somebody would favorably regard one of my

requests to get sent overseas.

I've got to explain something right here. I don't want anybody to

get the idea I'm a hero type--a professional volunteer. But I'm a

career officer, and overseas duty is the quickest way to tactical unit

command, which is important on the record. The lack of it has kept many

a perfectly good colonel from getting his first star and making that

final big step.

So I worked hard, and of course, sent in another request for transfer,

this time under the provisions of a different set of regulations. And

I didn't think about Zon Twenty again until about a week later, one

afternoon, when the phone rang.

"Personnel Analysis. Colonel Bog--"

He didn't even let me finish. "Well! I've found you again! The man from

the past!"

"Oh, no," I said. "Don't tell me. Not Zon Twenty--"

"Yes, it's I, of course! Seems we've had another lucky accident, and

been connected again. I was despairing of it for a while. Now, for

machine's sake, don't go away this time! I've _got_ to talk to you!"

"It's your dime," I said.

"Dime!" He pounced on it. "That was a monetary unit, when you had

money, wasn't it?"

"Look, mister--"

"You haven't guessed what's happened, have you? We have it pretty well

analyzed at this end. But we didn't really suppose your technology

would be equal to it back there."

"Look, just who are you, and where are you?" I said.

"My name is Zon Twenty, as I told you. I'm an historical technician

in the Office of Ancient Research in Washington, the capital of the

planet, Earth. I'm an Earthman myself, of course. My job is to prepare

studies of ancient civilizations such as yours--"

"Now, wait--what kind of a gag is this?"

"A gag? Oh--that's the ancient term for a joke. Good! I'll make a note

of that!"

"Come on. Who is it? Did Clipper Moskowitz put you up to this?"

"Oh, dear," said Zon Twenty, and I could hear his heavy sigh. "I was

afraid you wouldn't be able to grasp the situation. I'm going to have

to offer proof, I suppose. Look here--exactly what date is it where you

are?"

"I told you. 1955."

"I mean what month and year?"

"It's August 23, 1955--and I think you know that as well as I do."

"August 23. Just a minute ... we'll make a quick tape on the cyb,

here. Ah, yes, here we are. August 23. All right. The nearest date

of significance is September 1st. On the date twenty-one of your

so-called nations reached--or should I say will reach--a new trade and

tariff agreement in the U.N., and this will eventually lead directly to

the free nation federation in--"

"_I'm sorry! Your time is up!_"

It was that blasted recorded voice of the mechanical operator again.

"Hey! Don't cut us off!" I said.

"Hello? Are you still with me? Look here--I'll try to call back! It's

difficult, but I think I can!" said Zon Twenty.

"_I'm sorry! Your time is up!_"

And again the click, and silence.

This time I didn't forget Zon Twenty, neither quickly nor easily. If

it was a gag, it was a beauty: crazy and elaborate, and the acting was

superb. If it wasn't a gag--well, I couldn't yet quite believe that

it wasn't a gag. A week streamed by in a sea of paperwork. My latest

overseas transfer request came back disapproved. Then, on the morning

of September 2nd I opened the newspaper and saw the headline:

TWENTY-ONE NATIONS REACH

TRADE ACCORD IN U.N.

I read the story. It was essentially what Zon had predicted--or

remembered--or whatever you want to call it. I was confused now.

That day I didn't work very well. I couldn't concentrate. I am not a

deep thinker, and have no illusions that I am. But one idea presented

itself, starting as kind of hypnotic little glow in the bottom of my

mind, and this grew until I could scarcely think about anything else.

Put it under the heading of temptation. Ask yourself if you would

have been able to resist. Or just forget all the moral and ethical

implications, and accept that I was tempted in this way. If I could be

in touch with this Zon character--if he really was from the future,

and an historical expert, at that--he could tell me all sorts of

things that were going to happen. I could then either predict them or

otherwise adjust my actions to fit them. I could go up so fast it would

make Caesar's career look like a misfit reservist's. I could--

Well, then I started justifying and rationalizing. I could do my

country all sorts of good. I thought along those lines for a while, and

presently even managed to convince myself that my original purpose had

been altruistic all along.

Of course I tried to get in touch with Zon Twenty again. Over and over

again I dialed the number I had dialed the first time I had become

connected with him by apparent accident. I dialed random numbers. I

listened to a long and boring dissertation on permutation of numbers

by Clipper Moskowitz in an effort to devise a system of hitting all

possible combinations. There were an awful lot of possible combinations.

* * * * *

My phone rang again nearly ten days later.

It was Zon. He said, "Oh, _there_ you are! I'd about given up!

Look--the quantum inversion is swinging back to normal! This is the

last time we'll be able to talk! So we've got to make every moment

count!"

"Sure," I said. "You bet. Only I don't exactly get it. I don't

understand just how all this happens. If you'd explain--"

"That's not important. Briefly, we use telepathic induction for message

selection. That's why I was startled when you mentioned the ancient

dial phone. And of course we don't have armies any more."

"Yes, but--"

"Listen, Colonel--what was your name? Never mind. You can be most

valuable to me in my research. You can supply details about your time

that simply don't exist any more--"

"Don't exist? Don't you have movies, recordings, magazines, all that

stuff?"

"Of course not. They were all destroyed in the Final War."

"The what?"

"The Final War. You'll hear about it soon enough. If you survive, that

is. Only three hundred thousand did, out of the entire population. They

were the seed of our present civilization."

"Hey, now, wait a minute! What about this war? When was it? When's it

going to be, I mean?"

"There's no point in your asking," said Zon. "You can't change it, you

know. If you could change it, I wouldn't be here. My world as I know it

wouldn't exist. The fact that my time does exist proves, therefore, you

never changed it. Now, if you'll just calm down--"

"Calm down?" I shouted it across the centuries at him. "How can I? How

would _you_ feel? Look, this Final War, as you call it. Is it going to

be soon? You can at least tell me that, can't you?"

"All right. Soon, as all time is reckoned. In your lifetime, I would

say. Now, I suggest that you adjust yourself emotionally and accept

what is inevitable. The best thing you can do is answer a few questions

I've prepared."

I took his advice. I calmed down. "Questions? Well, Mr. Zon, or

whatever your name is, I'll tell you what I'll do. I'll make a bargain

with you. I'll answer your questions if you'll answer mine. I'll tell

you what's happening here--anything you want to know--if you look in

that little file of yours and tell me what's _going_ to happen in my

time. A deal?"

He was silent for a moment, and at first I thought we'd been cut off

again.

"Hello? Zon? You still there?"

"Yes, I'm still here." His voice had become oddly quiet. "So it's the

old Faust legend all over again, is that it?"

"I don't know what you're talking about," I said. I didn't--then. "You

just answer my questions, and I'll answer yours. Mine first."

"All right," he said. "Very well."

And I started my barrage. When would the Final War start? He told me.

How would it start? He told me that. Who would be the belligerents,

and what weapons and techniques would be used at first, and what new

ones would be developed? He knew. Where would the major campaigns be

fought--how many troops would be involved? I got the whole story. I

scribbled furiously and put it on paper.

Afterwards, he asked his questions. They were innocuous, compared to

mine. He wanted to know about taboos and marriage customs and slang

expressions and education and eating habits and articles of clothing. I

told him.

I was in the midst of an explanation of the game of Bingo, of all

things, when there was a sudden whooshing and crackling in the earpiece

of the telephone.

"Hello? Zon? Still with me?"

"Yes--but I think the signal's going out. This may be the inversion

passing! We probably won't be able to talk again. Hello? Do you still

hear?"

"I do. Look--one more thing before we go. You said this dictator--the

one everybody hated so much--survived the final series of blasts. He

and his staff. Where were they? Where were they when the blasts came?"

"In a country at that time called Canada. Little place named

Resolution, on Great Slave Lake. They'd dug in there--very elaborate

underground installation."

"And the date you gave me is correct?"

"As far as I know. You're determined to be in that place at that time,

I suppose." He seemed amused.

"You can say that again," I said.

There were more rumblings of static on the line.

"Well, since you're so determined," said Zon Twenty, "one more word of

advice. The dictator and all his followers were afterwards imprisoned

by what populace remained. Small wonder, since they were mainly

responsible for all the carnage. It was a pretty horrible thing. They

were slowly and most savagely tortured continuously for nearly two

decades. So if you mean to be there, at Great Slave Lake, I suggest you

arrange to be on the right side."

"Don't worry," I said. "I'll arrange it somehow. Larry Boggs is going

to live through this, if anybody is--"

"What's that? What's that you said?"

"I said I'm going to live through this--"

"No, no, the name. Boggs. Is that your name?"

"Certainly that's my name. Colonel Lawrence E. Boggs, United States

Army, and--"

He was laughing. He was laughing loudly, uproariously, and, I thought,

hollowly.

The background noise in the receiver had been steadily getting worse.

Now it swelled, like an angry sea. Interference of some sort snarled

and crackled. A sick feeling began to grow like fungus in my stomach.

Suddenly his voice came through again. He was still laughing.

"Generalissimo Lawrence E. Boggs survived all right Colonel, he--"

All the noise cut away suddenly. There was a pinpoint of silence.

Then the mechanical operator:

"I'm sorry! Your time is up!"

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