Contents (view Concise Listing)

• 5 • The Observatory (Amazing Stories, October 1948) • [Editorial (Amazing Stories)] • essay by Raymond A. Palmer
• 6 • The Cube Root of Conquest • short story by Rog Phillips
• 6 •  The Cube Root of Conquest • interior artwork by Harold W. McCauley [as by H. W. McCauley]
• 18 • Death of a B.E.M. • short story by Berkeley Livingston
• 18 •  Death of a B.E.M. • interior artwork by W. E. Terry [as by Bill Terry]
• 27 • Heat Rays • essay by Frances Yerxa
• 28 • The Frightened Planet • short story by Sidney Austen
• 28 •  The Frightened Planet • interior artwork by J. Allen St. John
• 38 • Antennae • essay by Carter T. Wainwright
• 40 • The Return of Tharn (Part 1 of 3) • [Tharn • 2] • serial by Howard Browne (book publication as Return of Tharn 1956)
• 40 •  The Return of Tharn (Part 1 of 3) • interior artwork by Malcolm Smith
• 64 • The Brain (Complete Novel) • serial by Heinrich Hauser [as by Alexander Blade]
• 64 •  The Brain • interior artwork by Arnold Kohn
• 148 • The Club House (Amazing Stories, October 1948) • [The Club House (Amazing Stories)] • essay by Rog Phillips