Contents (view Concise Listing)

• 6 • The Story Behind the Story (Thrilling Wonder Stories, February 1938) • essay by various
• 6 • The Story Behind the Story: Fundamental Laws of the Universe (Zones of Space) • essay by Max C. Sheridan
• 6 • The Story Behind the Story: Immortals of Space (Life Eternal) • essay by Otto Binder [as by Eando Binder]
• 14 • Dream-Dust from Mars • short story by Manly Wade Wellman
• 14 •  Dream-Dust from Mars • interior artwork by H. W. Wesso
• 29 • Via Asteroid • [Via • 2] • short story by Otto Binder [as by Gordon A. Giles]
• 29 •  Via Asteroid • interior artwork by uncredited
• 38 • Zones of Space • novelette by Max C. Sheridan
• 38 •  Zones of Space • interior artwork by H. W. Wesso
• 56 • Scientifacts: Incredible But True (Thrilling Wonder Stories, February 1938) • [Scientifacts] • essay by J. B. Walter
• 58 • The Changer of History • short story by Alexander Samalman
• 58 •  The Changer of History • interior artwork by H. W. Wesso
• 63 • What Is Your Science Knowledge? (Thrilling Wonder Stories, February 1938) • [What Is Your Science Knowledge?] • essay by uncredited
• 64 • Giant and Dwarf Stars • essay by Sir James Jeans
• 64 •  Giant and Dwarf Stars • interior artwork by H. W. Wesso
• 65 •  Giant and Dwarf Stars [2] • interior artwork by H. W. Wesso
• 67 • Sir James Jeans (bio) • essay by uncredited
• 70 • Life Eternal • [Anton York, Immortal] • novelette by Otto Binder [as by Eando Binder]
• 70 •  Life Eternal • interior artwork by H. W. Wesso
• 71 •  Life Eternal [2] • interior artwork by H. W. Wesso
• 88 • Scientibook Reviews • essay by various
• 88 •   Review: War with the Newts by Karel Capek • review by P. Schuyler Miller [as by P. S. M.]
• 88 •   Review: Star-Begotten by H. G. Wells • review by Henry Kuttner [as by H. K.]
• 89 • If — Evolution Speeded Up! • [If —] • essay by Jack Binder
• 89 •  If — Evolution Speeded Up! • interior artwork by Jack Binder
• 90 • Alchemy of Outer Space • short story by D. L. James
• 90 •  Alchemy of Outer Space • interior artwork by M. Marchioni
• 97 • A New Book on Atom-Smashing: Review of non-fiction, non-genre book: "Atomic Artillery" by John K. Robertson • essay by E. B.
• 98 • We, the Invisible • short story by Frank Belknap Long
• 98 •  We, The Invisible! • interior artwork by H. W. Wesso
• 112 • Science Questions and Answers (Thrilling Wonder Stories, February 1938) • essay by The Editor and various
• 115 • The Science Fiction League (Thrilling Wonder Stories, February 1938) • essay by uncredited
• 116 • Chapter News and General Activities: Los Angeles • essay by uncredited
• 118 • New Members: United States (Thrilling Wonder Stories, February 1938) • essay by uncredited
• 119 • Forecast for the Next Issue (Thrilling Wonder Stories, February 1938) • essay by uncredited
• 120 • The Reader Speaks (Thrilling Wonder Stories, February 1938) • [The Reader Speaks] • essay by various
• 120 •  Letter (Thrilling Wonder Stories, February 1938): Reviewing the Year • essay by Julius Schwartz
• 120 •  Letter (Thrilling Wonder Stories, February 1938): Zarnak Missing! • essay by James V. Taurasi
• 121 •  Letter (Thrilling Wonder Stories, February 1938): Penton and Blake Novel? • essay by John L. Chapman [as by John Chapman (I)]
• 123 •  Letter (Thrilling Wonder Stories): From Cover to Cover • essay by T. Bruce Yerke
• 124 •  Letter (Thrilling Wonder Stories): Farewell to Zarnak • essay by Richard Wilson [as by Richard Wilson, Jr.]
• 125 •  Letter (Thrilling Wonder Stories): An Author's Comments • essay by Ralph Milne Farley
• 125 •  Letter (Thrilling Wonder Stories): A 5-Star Indictment • essay by Gerry Turner
• 126 •  Letter (Thrilling Wonder Stories): From an Old-Timer • essay by David A. Kyle
• 127 • The Story Behind the Story: Stratocar Service (Dream Dust from Mars) • essay by Manly Wade Wellman
• 128 • The Story Behind the Story: Brood of the Invisible Moon (We, The Invisible) • essay by Frank Belknap Long [as by Frank Belknap Long, Jr.]
• 128 • The Story Behind the Story: The Time-Traveler (The Changer of History) • essay by Alexander Samalman