Contents:

• Introduction by Everett F. Bleiler & T. E. Dikty
• The Santa Claus Planet by Frank M. Robinson
• The Gnurrs Come from the Voodvork Out by Reginald Bretnor
• The Mindworm by Cyril Kornbluth
• The Star Ducks by Bill Brown
• Not to Be Opened— by Roger Flint Young
• Process by A. E. van Vogt
• Forget-Me-Not by William F. Temple
• Contagion by Katherine MacLean
• Trespass! by Poul Anderson & Gordon Dickson
• Oddy and Id [“The Devil’s Invention”] by Alfred Bester
• To Serve Man by Damon Knight
• Summer Wear by L. Sprague de Camp
• Born of Man and Woman by Richard Matheson
• The Fox in the Forest [“To the Future”] by Ray Bradbury
• The Last Martian by Fredric Brown
• The New Reality by Charles L. Harness
• Two Face by Frank Belknap Long
• Coming Attraction by Fritz Leiber