Contents (view Concise Listing)

• vi • Introduction (Science-Fiction Carnival) • (1953) • essay by Fredric Brown
• vii • Preface (Science-Fiction Carnival) • (1953) • essay by Mack Reynolds
• 1 • The Wheel of Time • (1950) • short story by Robert Arthur
• 16 • A Logic Named Joe • (1946) • short story by Murray Leinster
• 31 • Simworthy's Circus • (1950) • short story by Larry T. Shaw [as by Larry Shaw]
• 43 • The Well-Oiled Machine • (1950) • short story by H. B. Fyfe
• 56 • The Swordsmen of Varnis • (1950) • short story by Clive Jackson
• 59 • Paradox Lost • (1943) • short story by Fredric Brown
• 75 • Muten • (1948) • short story by Eric Frank Russell
• 91 • The Martians and the Coys • (1951) • short story by Mack Reynolds
• 102 • The Ego Machine • (1952) • novelette by Henry Kuttner and C. L. Moore [as by Henry Kuttner]
• 143 • The Cosmic Jackpot • (1948) • short story by George O. Smith
• 157 • The Abduction of Abner Greer • (1941) • short story by Nelson S. Bond [as by Nelson Bond]