Contents (view Concise Listing)

• 4 • Three in a Row • [Editorial (If)] • essay by Frederik Pohl [as by The Editor]
• 5 • The Holmes-Ginsbook Device • short story by Isaac Asimov
• 7 •  The Holmes-Ginsbook Device • interior artwork by Jack Gaughan [as by Gaughan]
• 15 • The Starman of Pritchard's Creek • [Dr. Hiram Pertwee] • novelette by Julian F. Grow
• 16 •  The Starman of Pritchard's Creek • interior artwork by Wallace Wood [as by Wood]
• 36 • If ... and When (If, December 1968) • essay by Lester del Rey
• 41 • The Canals of Santa Claus • short story by Bram Hall
• 54 • The Comsat Angels • short story by J. G. Ballard
• 67 • The Tin Fishes • [John Grimes] • novelette by A. Bertram Chandler
• 67 •  The Tin Fishes • interior artwork by Virgil Finlay
• 99 • The Pawob Division • short story by Harlan Ellison (variant of The Pitll Pawob Division)
• 102 • The Computer Conspiracy (Part 2 of 2) • serial by Mack Reynolds (book publication as Computer World 1970)
• 102 •  The Computer Conspiracy (Part 2 of 2) • interior artwork by Jack Gaughan [as by Gaughan]
• 161 • Hue and Cry (If, December 1968) • [Hue and Cry] • essay by Frederik Pohl [as by The Editor]
• 162 • SF Calendar (If, December 1968) • essay by uncredited