Arthur, Robert, (Robert A. Feder, 1909-1969)
--Evolution's End, 1941. (Thrilling Wonder Stories, April, 1941.)
Asimov, Isaac, (1920-1992)
--Liar! 1941. (Astounding, May, 1941.)
--Nightfall, 1941. * (novelette) (Astounding, September, 1941.)
--Foundation, 1942. * (novelette) (Astounding, May, 1942.)
Bester, Alfred, (1913-1987)
--Adam and No Eve, 1941. (Astounding, September, 1941.)
Boucher, Anthony, (William Anthony Parker White, 1923-1998)
--Snulbug, 1941. (Unknown, December, 1941.)
--Barrier, 1942. (novelette) (Astounding, September, 1942.)
Blish, James, (1921-1975)
--Solar Plexus, 1941. (Astonishing, September, 1941.)
Brown, Fredric, (1906-1972)
--Armageddon, 1941. (short short) (Unknown, August, 1941.)
--The Star Mouse, 1942. (Planet Stories, February, 1942.)
Clement, Hal, (Harry Clement Stubbs, 1922- )
--Proff, 1942. (Astounding, June, 1942.)
del Rey, Lester, (1915-1993)
--Hereafter, Inc., 1941. (Unknown, December, 1941.)
--The Wings of Night, 1942. (Astounding, March, 1942.)
--Nerves, 1942. (novella) (Astounding, September, 1942.)
Heinlein, Robert A., (1907-1988)
--And He Built a Crooked House, 1941. (Astounding, February, 1941.) (story not included in the volume!)
--They, 1941. (Unknown, April, 1941.) (story not included in the volume!)
--Universe, 1941. SFHF (Astounding, May, 1941.) (story not included in the volume!)
Hugi, Maurice A., (Eric Frank Russell, 1905-1978)
--Mechanical Mice, 1941. (Astounding, January, 1941.)
Kornbluth, C. M., (1923-1958)
--The Rocket of 1955, 1941. (short short) (Stirring Science Stories, April, 1941.)
--The Words of Guru, 1941. (Stirring Science Stories, June, 1941.)
McDonald, Anson, (Robert A. Heinlein, 1907-1988)
--Solution Unsatisfactory, 1941. (novelette) (Astounding, May, 1941.) (story not included in the volume!)
--By His Bootstraps, 1941. (Astounding, October, 1941.) (story not included in the volume!)
Padgett, Lewis, (Henry Kuttner, 1914-1958; C. L. Moore, 1911- )
--A Gnome There Was, 1941. (Unknown, October, 1941.)
--The Twonky, 1942. * (Astounding, September, 1942.)
Rocklynne, Ross, (1913- )
--Time Wants a Skeleton, 1941. (Astounding, June, 1941.)
Russell, Eric Frank, (1905-1978)
--Jay Score, 1941. (Astounding, May, 1941.)
Smith, George O., (1911- )
--QRM-Interplanetary, 1942. (novelette) (Astounding, October, 1942.)
Sturgeon, Theodore, (1918-1985)
--Shottle Bop, 1941. (Unknown, February, 1941.)
--Microcosmic God, 1941. (Astounding, April, 1941.)
van Vogt, A. E., (1912-2000)
--The Seesaw, 1941. (Astounding, July, 1941.)
--Asylum, 1942. (novelette) (Astounding, May, 1942.)
--The Weapons Shop, 1942. (novelette) (Astounding, December, 1942.)
Wollheim, Donald A., (1914- )
--Mimic, 1942. (Astonishing, December, 1941.)