Contents (view Concise Listing)

• xi • Foreword (Science Fiction of the Thirties) • (1975) • essay by Damon Knight
• 1 • The Early Years • (1975) • essay by Damon Knight
• 6 •  Out Around Rigel • (1931) • interior artwork by H. W. Wesso
• 7 • Out Around Rigel • (1931) • novelette by Robert H. Wilson
• 28 • The Fifth-Dimension Catapult • [Tommy Reames • 1] • (1931) • novella by Murray Leinster
• 28 •  The Fifth-Dimension Catapult • (1931) • interior artwork by H. W. Wesso
• 84 •  Into the Meteorite Orbit • (1933) • interior artwork by Leo Morey [as by Morey]
• 85 • Into the Meteorite Orbit • (1933) • novelette by Frank K. Kelly
• 114 •  The Battery of Hate • (1933) • interior artwork by Leo Morey [as by Morey]
• 115 • The Battery of Hate • (1933) • novelette by John W. Campbell, Jr.
• 153 • The Middle Period • (1975) • essay by Damon Knight
• 156 •  The Wall • (1934) • interior artwork by Paul Orban
• 157 • The Wall • (1934) • short story by Howard Wandrei [as by Howard W. Graham, Ph.D.]
• 172 •  The Lost Language • (1934) • interior artwork by Leo Morey [as by Morey]
• 173 • The Lost Language • (1934) • short story by David H. Keller, M.D.
• 184 •  The Last Men • (1934) • interior artwork by Howard V. Brown
• 185 • The Last Men • [The Mini-Men] • (1934) • short story by Frank Belknap Long [as by Frank Belknap Long, Jr.]
• 194 •  The Other • (1934) • interior artwork by Elliott Dold, Jr. [as by Elliot Dold]
• 195 • The Other • (1934) • short story by Howard Wandrei [as by Howard W. Graham, Ph.D.]
• 210 • The Mad Moon • (1935) • novelette by Stanley G. Weinbaum
• 210 •  The Mad Moon • (1935) • interior artwork by Thompson
• 234 • Davey Jones' Ambassador • (1935) • novelette by Raymond Z. Gallun
• 234 •  Davey Jones' Ambassador • (1935) • interior artwork by uncredited
• 268 •  Alas, All Thinking • (1935) • interior artwork by Elliott Dold, Jr. (variant of Alas, All Thinking!) [as by Elliot Dold]
• 269 • Alas, All Thinking • novelette by Harry Bates (variant of Alas, All Thinking! 1935)
• 306 •  The Time Decelerator • (1936) • interior artwork by Elliott Dold, Jr. [as by Elliot Dold]
• 307 • The Time Decelerator • (1936) • short story by A. Macfadyen, Jr.
• 322 •  The Council of Drones • (1936) • interior artwork by Leo Morey [as by Morey]
• 323 • The Council of Drones • (1936) • novelette by William K. Sonnemann [as by W. K. Sonnemann]
• 363 • The End • (1975) • essay by Damon Knight
• 366 •  Seeker of Tomorrow • (1937) • interior artwork by H. W. Wesso (variant of Seeker of To-morrow)
• 367 • Seeker of Tomorrow • (1937) • novella by Leslie J. Johnson and Eric Frank Russell (variant of Seeker of To-morrow) [as by Leslie T. Johnson and Eric Frank Russell]
• 408 •  Hyperpilosity • (1938) • interior artwork by Charles Schneeman
• 409 • Hyperpilosity • (1938) • short story by L. Sprague de Camp (variant of Hyperpelosity)
• 422 •  Pithecanthropus Rejectus • (1938) • interior artwork by Elliott Dold, Jr. [as by Elliot Dold]
• 423 • Pithecanthropus Rejectus • (1938) • short story by Manly Wade Wellman [as by Manly W. Wellman]
• 434 •  The Merman • (1938) • interior artwork by Charles Schneeman
• 435 • The Merman • (1938) • short story by L. Sprague de Camp
• 450 •  The Day Is Done • (1939) • interior artwork by Paul Orban
• 451 • The Day Is Done • (1939) • short story by Lester del Rey
• 465 • Bibliography (Science Fiction of the Thirties) • (1975) • essay by uncredited