7 • Introduction (The Great Science Fiction Stories Volume 4, 1942) • (1980) • essay by Martin H. Greenberg 11 • The Star Mouse • [Mitkey • 1] • (1942) • novelette by Fredric Brown 32 • The Wings of Night • (1942) • short story by Lester del Rey 50 • Cooperate - Or Else! • [Rull] • novelette by A. E. van Vogt (variant of Co-Operate - Or Else! 1942) 77 • Foundation • [Foundation (Original Stories) • 1] • (1942) • novelette by Isaac Asimov 110 • The Push of a Finger • (1942) • novella by Alfred Bester 150 • Asylum • (1942) • novella by A. E. van Vogt 205 • Proof • (1942) • short story by Hal Clement 222 • Nerves • (1942) • novella by Lester del Rey 295 • Barrier • (1942) • novella by Anthony Boucher 347 • The Twonky • (1942) • short story by Henry Kuttner and C. L. Moore [as by Lewis Padgett] 369 • QRM - Interplanetary • [Venus Equilateral] • (1942) • novelette by George O. Smith 403 • The Weapon Shop • [Weapon Shops of Isher] • (1942) • novelette by A. E. van Vogt 442 • Mimic • (1942) • short story by Donald A. Wollheim