Contents (view Concise Listing)

• 3 • Introduction (Gates to Tomorrow) • essay by Ernestine Donaldy and Andre Norton
• 6 • Shape • (1953) • short story by Robert Sheckley
• 24 • Rust • (1939) • short story by Joseph E. Kelleam
• 37 • Command • (1947) • novelette by Bernard I. Kahn
• 66 • The Naming of Names • (1949) • short story by Ray Bradbury (variant of Dark They Were, and Golden-Eyed)
• 85 • The Plague • (1970) • novelette by Keith Laumer
• 113 • A Pail of Air • (1951) • short story by Fritz Leiber
• 131 • Living Fossil • (1939) • short story by L. Sprague de Camp
• 152 • The Flame Midget • (1936) • short story by Frank Belknap Long [as by Frank Belknap Long, Jr.]
• 168 • Expedition Polychrome • [Expedition] • (1949) • novelette by Joseph A. Winter, M.D. [as by J. A. Winter, M.D.]
• 195 • Untouched by Human Hands • (1953) • short story by Robert Sheckley
• 213 • Ultimatum • [Retief] • (1963) • short story by Keith Laumer (variant of Mightiest Qorn)
• 238 • The Sheriff of Canyon Gulch • [Hoka] • (1951) • novelette by Poul Anderson and Gordon R. Dickson [as by Poul Anderson and Gordon Dickson]