Other authors: Forrest J. Ackerman (Contributor), Isaac Asimov (Contributor), J.G. Ballard (Contributor), Ray Bradbury (Contributor), Fredric Brown (Contributor) — 24 more, Arthur C. Clarke (Contributor), Suzette Haden Elgin (Contributor), Harlan Ellison (Contributor), Raymond Z. Gallun (Contributor), Robert Heinlein (Contributor), Albert Hernhuter (Contributor), H.H. Hollis (Contributor), Walter M. Miller Jr. (Contributor), Colin Kapp (Contributor), R.A. Lafferty (Contributor), Keith Laumer (Contributor), Murray Leinster (Contributor), Lewis Padgett (Contributor), H. Beam Piper (Contributor), Mack Reynolds (Contributor), Eric Frank Russell (Contributor), Robert Sheckley (Contributor), Robert Silverberg (Contributor), Clifford D. Simak (Contributor), Theodore Sturgeon (Contributor), Vernor Vinge (Contributor), E.G. Von Wald (Contributor), H.G. Wells (Contributor), Donald E. Westlake (Contributor)