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Hall of Mirrors

by Frederic Brown

It is a tough decision to make--whether to give up your life so you can live it over again!

Earthmen Bearing Gifts

by Frederic Brown

Mars had gifts to offer and Earth had much in return--if delivery could be arranged!

No Pets Allowed

by Monette A. Cummings

He didn't know how he could have stood the four months there alone. She was company and one could talk to her ...

Operation Lorelie

by William P. Salton

It was a new time and a vast new war of complete and awful annihilation. Yet, some things never change, and, as in ancient times, Ulysses walked again—brave and unconquerable--and again, the sirens wove their...

Arena

Mutineer

by Robert Joseph Shea

For every weapon there was a defense, but not against the deadliest weapon—man himself!

Acid Bath

by Vaseleos Garson

The starways' Lone Watcher had expected some odd developments in his singular, nerve-fraught job on the asteroid. But nothing like the weird twenty-one-day liquid test devised by the invading Steel-Blues.

The Mathematicians

by Arthur Feldman

We gave this story to a very competent, and very pretty gal artist. We said, "Read this carefully, dream on it, and come up with an illustration." A week later, she returned with the finished drawing. "The hero,"...

Cogito, Ergo Sum

by John Foster West

Are the Spirit and the Flesh one and the same thing? Or are they separate entities, dependent and at the same time independent of each other? Perhaps some great Cosmic Law holds this secret. But the one Universal...

Arm of the Law

by Harry Harrison

At one time—this was before the Robot Restriction Laws—they'd even allowed them to make their own decisions....

The Gun

by Philip K. Dick

Nothing moved or stirred. Everything was silent, dead. Only the gun showed signs of life ... and the trespassers had wrecked that for all time. The return journey to pick up the treasure would be a cinch ......

Two Timer

by Frederic Brown

Here is a brace of vignettes by the Old Vignette Master ... short and sharp ... like a hypodermic!

The Great Dome on Mercury

by Arthur Leo Zagat

Trapped in the great dome, Darl valiantly defends Earth's outpost against the bird-man of Mars and his horde of pigmy henchmen.

Raiders Invisible

by Desmond Winter Hall

Alone and unaided, Pilot Travers copes with the invisible foes who have struck down America's great engine of war.

The World Beyond

by Raymond King Cummings

Out of nowhere came these grim, cold, black-clad men, to kidnap three Earth people and carry them to a weird and terrible world where a man could be a giant at will.

Poisoned Air

by Sterner St. Paul Meek

Again Dr. Bird closes with the evil Saranoff—this time near the Aberdeen Proving Ground, in a deadly, mysterious blanket of fog.

In the Orbit of Saturn

by Roman Frederick Starzl

Disguised as a voluntary prisoner on a pirate space ship, an I. F. P. man penetrates the mystery of the dreaded "Solar Scourge."

The Einstein See-Saw

by Miles John Breuer

In their pursuit of an unscrupulous scientist, Phil and Ione are swung into hyperspace—marooned in a realm of strange sights and shapes.

The Hour of Battle

by Robert Sheckley

As one of the Guardian ships protecting Earth, the crew had a problem to solve. Just how do you protect a race from an enemy who can take over a man's mind without seeming effort or warning?

The Heads of Apex

by George Henry Weiss

Far under the sea-floor Solino's submarine carries two American soldiers of fortune to startling adventure among the Vampire Heads of Apex.