Contents (view Concise Listing)

• 6 • The Observatory (Amazing Stories, April 1948) • [Editorial (Amazing Stories)] • essay by Raymond A. Palmer
• 8 • The Monster from Mars • novelette by Richard S. Shaver [as by Alexander Blade]
• 8 •  The Monster from Mars • interior artwork by Rod Ruth
• 11 •  The Monster from Mars [2] • interior artwork by Rod Ruth
• 13 •  The Monster from Mars [3] • interior artwork by Rod Ruth
• 15 •  The Monster from Mars [4] • interior artwork by Rod Ruth
• 17 •  The Monster from Mars [5] • interior artwork by Rod Ruth
• 20 •  The Monster from Mars [6] • interior artwork by Rod Ruth
• 25 •  The Monster from Mars [7] • interior artwork by Rod Ruth
• 28 • Rubber Space • essay by Henry Bott [as by Charles Recour]
• 29 • Phlogistion • essay by D. Wroble [as by Anthony D. Wroble]
• 30 • "Wa-al, Bust Mah Britches!" • short story by J. J. Pelletier
• 30 •  "Wa-al, Bust Mah Britches!" • interior artwork by Julian S. Krupa
• 40 • Diamond Ray-Detector • essay by Robert Stanton
• 41 • Thinking Machines • essay by Andrew Whisher
• 42 • Secret of the Yellow Crystal • novelette by Chester S. Geier [as by Guy Archette]
• 42 •  Secret of the Yellow Crystal • interior artwork by Julian S. Krupa
• 61 • The Eternal Vagabond • essay by Al Low
• 61 • Bells of the Sea • essay by Pete Bogg
• 62 • Drink Like a Fish • short story by Berkeley Livingston
• 62 •  Drink Like a Fish • interior artwork by William Aubrey Gray
• 71 •  Drink Like a Fish [2] • interior artwork by William Aubrey Gray
• 74 • Number Worship • essay by A. Morris
• 75 • Accuracy-Plus! • essay by Carter T. Wainwright
• 76 • Secret of the Robot • short story by Chester S. Geier
• 76 •  Secret of the Robot • interior artwork by Julian S. Krupa
• 90 • The Man in the Moon • short story by Berkeley Livingston [as by Lester Barclay]
• 91 •  The Man in the Moon • interior artwork by Ronald Clyne
• 103 • Fiends of the Telescope • essay by O. I. Zeesofahr
• 104 • The Wandering Egos • novella by Emmett McDowell
• 104 •  The Wandering Egos • interior artwork by J. Allen St. John
• 116 •  The Wandering Egos [2] • interior artwork by J. Allen St. John
• 155 • Hot Stuff! • essay by G. N. Corliss
• 156 • Scientific Mysteries: The Degenerating Karibs • [Scientific Mysteries] • essay by L. Taylor Hansen
• 156 •  Scientific Mysteries: The Degenerating Karibs • interior artwork by uncredited
• 161 • Problems of Science: The Enigma of Compression • essay by L. Taylor Hansen
• 166 • The Club House (Amazing Stories, April 1948) • [The Club House (Amazing Stories)] • essay by Rog Phillips
• 170 • Discussions (Amazing Stories, April 1948) • [Discussions (Amazing Stories)] • essay by The Editor
• 171 •  Letter (Amazing Stories, April 1948) • essay by Robert Paul Kidwell
• 172 •  Letter (Amazing Stories, April 1948) • essay by Arnold G. Guthrie
• bc •  Space Ships at Angkor Wat? • interior artwork by uncredited