Contents (view Concise Listing)

• 8 • Lord of the Crystal Bow • (1942) • novella by David Wright O'Brien [as by Duncan Farnsworth]
• 52 • The Return of Lancelot Biggs • [Lancelot Biggs] • (1942) • short story by Nelson S. Bond
• 65 • Earth's Nomads • (1942) • essay by Willis Franke
• 66 • Martian Miniature • (1942) • short story by John Russell Fearn
• 78 • The Crystal Planetoids • (1942) • novella by Stanton A. Coblentz
• 130 • The Incredible Slingshot Bombs • (1942) • short story by Robert Moore Williams
• 141 • Magic Versus Science • (1942) • essay by A. Morris
• 142 • Sutton's Strange Voyage • (1942) • short story by James Norman
• 152 • Caveman Meets Blonde • (1942) • short story by Robert Moore Williams [as by Russell Storm]
• 165 • Yellow Cunning • (1942) • essay by John Semrau
• 166 • Juggernaut Jones, Salesman • [Juggernaut Jones] • (1942) • short story by A. R. McKenzie
• 177 • "Stuff" and Nonsense • (1942) • essay by Dick Selby
• 178 • Horsesense Hank Does His Bit • [Horse-Sense Hank • 2] • (1942) • short story by Nelson S. Bond
• 192 • Arctic God • (1942) • novelette by John Russell Fearn [as by Frank Jones]
• 209 • Screwball Inventions • (1942) • essay by Jack West
• 210 • The Case of the Mesozoic Monsters • [Brutus Lloyd] • (1942) • novelette by John Russell Fearn [as by Thornton Ayre]
• 229 • Know Your Vitamins • (1942) • essay by Edgar Rutley
• 230 • Destroyer from the Past • (1942) • novelette by John Russell Fearn [as by Polton Cross]
• 249 • Uncle Sammy and the Snakes • (1942) • essay by Arnold Ward
• 250 • Twenty-Four Terrible Hours • (1942) • short story by David Wright O'Brien [as by John York Cabot]
• 256 • Landscapes of Other Worlds: Luna—Goddess of Love • [Landscapes of Other Worlds] • (1942) • essay by Willy Ley
• 264 • Scientific Mysteries: Lost Races of America • (1942) • essay by Robert Moore Williams
• 267 • Meet the Authors: A. R. McKenzie • (1942) • essay by A. R. McKenzie
• 273 • Airship of Venus • (1942) • essay by unknown [as by Henry Gade]
• 8 • The Avengers • (1942) • novella by William P. McGivern
• 53 • Mrs. Latrodectus Mactans • essay by Robert Calford
• 54 • They Forgot to 'Remember Pearl Harbor' • (1942) • novella by William P. McGivern [as by P. F. Costello]
• 94 • Time Will Tell • (1942) • short story by Emil Petaja
• 102 • Scientist Disowned • (1942) • short story by Raymond Z. Gallun
• 111 • Meet the Halogen Family • (1942) • essay by Douglass Ward
• 112 • Henry Horn's Blitz Bomb • [Henry Horn] • (1942) • short story by Dwight V. Swain
• 126 • Nature's Bullets • (1942) • essay by Jack West
• 128 • Juggernaut Jones, Trucker • [Juggernaut Jones] • (1942) • short story by A. R. McKenzie
• 139 • Catalyst for Power! • essay by Roland Birchley
• 140 • It Happened in Space • (1942) • short story by Manly Wade Wellman
• 152 • Sergeant Shane Goes to War • [Sergeant Shane] • (1942) • short story by David Wright O'Brien [as by John York Cabot]
• 168 • Captain Stinky • [Captain Stinky] • (1942) • short story by William P. McGivern [as by Gerald Vance]
• 176 • Landscapes of Other Worlds: Venus—World of Mystery • [Landscapes of Other Worlds] • (1942) • essay by Willy Ley
• 180 • The Man Who Was Two Men • (1942) • short story by unknown [as by E. K. Jarvis]
• 193 • Your Orchids—Madam! • essay by Carter T. Wainwright
• 194 • Gods of the Jungle (Part 1 of 2) • (1942) • serial by Nelson S. Bond
• 244 • Voice from the Void • (1942) • short story by Harl Vincent
• 256 • Ships of Stone • (1942) • essay by Ken Kober
• 258 • Scientific Mysteries: Mystery of Man's Migrations • [Scientific Mysteries] • (1942) • essay by L. Taylor Hansen
• 261 • Meet the Authors: Raymond Z. Gallun • (1942) • essay by Raymond Z. Gallun
• 271 • Atomic Airship of Mars • (1942) • essay by unknown [as by Henry Gade]
• 8 • Blitzkrieg in the Past • (1942) • novella by David Wright O'Brien [as by John York Cabot]
• 48 • Election Campaign on Saturn • (1942) • short story by Milton Kaletsky
• 58 • The Powers of Darkness • (1942) • novelette by Dwight V. Swain
• 76 • Peter Pettigrew's Prisoner • (1942) • short story by Nelson S. Bond
• 90 • The World Beyond • (1942) • novelette by Ray Cummings
• 114 • Squadron of the Damned • (1942) • novella by David Wright O'Brien
• 154 • Landscapes of Other Worlds: Saturn—World of Rings • [Landscapes of Other Worlds] • (1942) • essay by Willy Ley
• 158 • The Return of Hawk Carse • [Hawk Carse • 5] • (1942) • novella by Harry Bates and D. W. Hall [as by Anthony Gilmore]
• 210 • Scientific Mysteries: The White Race—Does It Exist? • [Scientific Mysteries] • (1942) • essay by L. Taylor Hansen
• 214 • Gods of the Jungle (Part 2 of 2) • (1942) • serial by Nelson S. Bond
• 270 • Radium Airship of Saturn • (1942) • essay by unknown [as by Henry Gade]