Contents (view Concise Listing)

• 4 • Kick Yourself to Mars • [Editorial (If)] • (1966) • essay by Frederik Pohl [as by The Editor]
• 6 •  Earthblood • (1966) • interior artwork by Nodel
• 6 • Earthblood (Part 1 of 4) • (1966) • serial by Rosel George Brown and Keith Laumer
• 62 • Castles in Space • (1966) • short story by Alma Hill
• 75 • Our Man in Fandom • [Our Man in Fandom] • (1966) • essay by Lin Carter
• 80 • In the Temple of Mars • [Berserker (Fred Saberhagen)] • (1966) • short story by Fred Saberhagen
• 80 •  In the Temple of Mars • (1966) • interior artwork by Jack Gaughan [as by Gaughan]
• 97 • The Pretend Kind • (1966) • short story by E. Clayton McCarty
• 104 • To Conquer Earth • (1966) • short story by Garrett Brown
• 111 •  The Moon Is a Harsh Mistress • (1966) • interior artwork by Gray Morrow
• 111 • The Moon Is a Harsh Mistress (Part 5 of 5) • (1966) • serial by Robert A. Heinlein
• 161 • Hue and Cry (If, April 1966) • [Hue and Cry] • (1966) • essay by Frederik Pohl [as by The Editor]