Contents (view Concise Listing)

• 8 • Gods of Venus (Complete Novel) • [Big Jim Steele] • (1948) • serial by Richard S. Shaver
• 124 • The Egg of Time • (1948) • short story by Millen Cooke
• 132 • Everything but the Sink • (1948) • short story by Berkeley Livingston
• 139 • Salvage in the Sea • (1948) • essay by Henry Bott [as by Charles Recour]
• 140 • Flesh Against Spirit • (1948) • short story by Richard S. Shaver [as by Alexander Blade]
• 146 • Lifetime Humbuggery • (1948) • essay by Warren L. Foley
• 147 • Atmospheric Paradox • (1948) • essay by Alfred Marx
• 148 • Scientific Mysteries: Was There a Great Flood? • [Scientific Mysteries] • (1948) • essay by L. Taylor Hansen
• 152 • Sequoias - Oldest Life on Earth • (1948) • essay by Roger L. Rogers
• 154 • Problems of Science: The Enigma of Rifting • (1948) • essay by L. Taylor Hansen
• 159 • The Equatorial Stratosphere • (1948) • essay by Pete Bogg
• 159 • Modern Lemurians • (1948) • essay by R. Dee
• 163 • Ice Below Zero • (1948) • essay by Carter T. Wainwright
• 164 • The Mystery of the Passenger Pigeon • (1948) • essay by Mildred Murdoch
• 166 • Radiant Heating • (1948) • essay by Robert R. Pellone
• 168 • Warning All Scientists • (1948) • essay by A. Morris
• 8 • The Monster from Mars • (1948) • novelette by Richard S. Shaver [as by Alexander Blade]
• 28 • Rubber Space • (1948) • essay by Henry Bott [as by Charles Recour]
• 29 • Phlogistion • (1948) • essay by D. Wroble [as by Anthony D. Wroble]
• 30 • "Wa-al, Bust Mah Britches!" • (1948) • short story by J. J. Pelletier
• 40 • Diamond Ray-Detector • (1948) • essay by Robert Stanton
• 41 • Thinking Machines • (1948) • essay by Andrew Whisher
• 42 • Secret of the Yellow Crystal • (1948) • novelette by Chester S. Geier [as by Guy Archette]
• 61 • Bells of the Sea • (1948) • essay by Pete Bogg
• 61 • The Eternal Vagabond • (1948) • essay by Al Low
• 62 • Drink Like a Fish • (1948) • short story by Berkeley Livingston
• 74 • Number Worship • (1948) • essay by A. Morris
• 75 • Accuracy-Plus! • (1948) • essay by Carter T. Wainwright
• 76 • Secret of the Robot • (1948) • short story by Chester S. Geier
• 90 • The Man in the Moon • (1948) • short story by Berkeley Livingston [as by Lester Barclay]
• 103 • Fiends of the Telescope • (1948) • essay by O. I. Zeesofahr
• 104 • The Wandering Egos • (1948) • novella by Emmett McDowell
• 155 • Hot Stuff! • (1948) • essay by G. N. Corliss
• 156 • Scientific Mysteries: The Degenerating Karibs • [Scientific Mysteries] • (1948) • essay by L. Taylor Hansen
• 161 • Problems of Science: The Enigma of Compression • (1948) • essay by L. Taylor Hansen
• 7 • The Proof of the Shaver Mystery • (1948) • essay by Raymond A. Palmer
• 8 • Armageddon • (1948) • novella by Rog Phillips [as by Craig Browning]
• 98 • Tracy's Tiny Tubes • (1948) • essay by Carter T. Wainwright
• 99 • Crocodile Treasure • (1948) • essay by Pete Bogg
• 99 • He Lost to Live • (1948) • essay by R. Dee
• 100 • Doom Globe • (1948) • short story by unknown [as by S. M. Tenneshaw]
• 108 • Robot Factories • (1948) • essay by Henry Bott [as by Charles Recour]
• 109 • Discovery of the Guyot • (1948) • essay by C. N. George
• 110 • Illusion on Callisto • (1948) • short story by Chester S. Geier [as by Warren Kastel]
• 118 • For Women Only • (1948) • essay by A. Morris
• 119 • The Secondary Heart • (1948) • essay by Frances Yerxa
• 120 • Justice Satellite • (1948) • novelette by Chester S. Geier [as by Guy Archette]
• 139 • English Plague • (1948) • essay by D. Wroble
• 140 • Forgotten Hades • (1948) • novelette by Leroy Yerxa [as by Lee Francis]
• 160 • The Greatest Machine • (1948) • essay by Arnold M. Smith
• 161 • Teachers of Tibet • (1948) • essay by C. D. Dowling
• 164 • The Club House: The Fan's Life • (1948) • essay by Rex Ward
• 167 • Xerxes Counts His Army • (1948) • essay by C. Allen
• 168 • Mysteries of Geology: The Enigma of the Pacific • (1948) • essay by L. Taylor Hansen
• 170 • The End of the World • (1948) • essay by G. L. Moss
• 171 • Death Trap for Giants • (1948) • essay by Mildred Murdoch
• 177 • Spaceships in Ancient Egypt • (1948) • essay by James B. Settles