Anthology containing:
The demolished man by Alfred Bester
They'd Rather Be Right, or The Forever Machine by Frank Riley Mark Clifton
Double Star by Robert A. Heinlein
Three to Conquer by Eric Frank Russell
The End of Eternity by Isaac Asimov
Not This August by C. M. Kornbluth
The Long Tomorrow by Leigh Brackett
The Big Time by Fritz Leiber
A Case of Conscience by James Blish
The Enemy Stars by Poul Anderson
Who? by Algis Budrys
Have Space Suit - Will Travel by Robert A. Heinlein
Immortality, Inc by Robert Sheckley
Starship Troopers by Robert A. Heinlein
Dorsai! by Gordon R Dickson
The Pirates of Ersatz by Murray Leinster
Brain Twister by Mark Phillips
The Sirens of Titan by Kurt Vonnegut
A Canticle for Leibowitz by Walter M. Miller Jr.
The High Crusade by Poul Anderson
Rogue Moon by Algis Budrys
Deathworld: The Original Illustrated Trilogy by Harry Harrison
Venus Plus X by Theodore Sturgeon
Stranger in a Strange Land by Robert A. Heinlein
Dark Universe by Daniel F. Galouye
Planet of the Damned by Harry Harrison
Time Is the Simplest Thing by Clifford D. Simak
Second Ending by James White
The Man In The High Castle by Philip K. Dick
The Sword of Aldones by Marion Zimmer Bradley
A Fall of Moondust by Arthur C. Clarke
Little Fuzzy by H. Beam Piper
Sylva by Jean Bruller