Table of Contents

A Question of Courage, J.F. Bone

The Duelling Maching, Ben Bova

Keep Out, Frederic Brown

Indirection, Everett B. Cole

The Game of Rat and Dragon, Cordwainer Smith

The World Beyond, Raymond Cummings

Victory, Lester Del Rey

The Defenders, Phillip K. Dick

The Hammer of Thor, Charles Willard Diffin

The Planetoid of Peril, Paul Ernst

The Jupiter Weapon, Charles L. Fontenay

This World Must Die, H.B. Fyfe

Psichopath, Randall Garrett

The Man Who Hated Mars, Randall Garrett

Hawk Carse, Anthony Gilmore

The Helpful Hand of God, Tom Godwin

A Scientist Rises, D.W. Hall

Monsters of Mars, Edmond Hamilton

The Sargasso of Space, Edmond Hamilton

The K-Factor, Harry Harrison

The Misplaced Battleship, Harry Harrison

Walls of Acid, Henry Hasse

Old Rambling House, Frank Herbert

Made in Tanganyika, Carl Jacobi

Sight Gag, Lawrence Janifer

Get Out of Our Skies, E. K. Jarvis

Cubs of the Wolf, Raymond F. Jones

The Cosmic Expense Account, C.M. Kornbluth

We Didn’t Do Anything Wrong, Hardly, Roger Kuykendall

The Great Potlatch Riots, Allen Kim Lang

Gambler’s World, Keith Laumer

No Great Magic, Fritz Leiber

The Ambulance Made Two Trips, Murray Leinster

The Leader, Murray Leinster

The Mississippi Saucer, Frank Belknap Long

Summer Snow Storm, Stephen Marlowe

The Attack From Space, S.P. Meek

The Great Drought, S.P. Meek

Death of Spaceman, Walter M. Miller, Jr.

The People of the Crater, Andre Norton

An Ounce of Cure, Alan Nourse

Image of the Gods, Alan Nourse

A Slave is a Slave, H. Beam Piper

Day of the Moron, H. Beam Piper

Pythias, Frederick Pohl

The Hunters, Joseph Samachson

The Judas Valley, Robert Silverberg

Project Mastodon, Clifford D. Simak

2BR02B, Kurt Vonnegut

The Pygmy Planet, Jack Williamson