Other authors: Robert Abernathy (Contributor), Isaac Asimov (Contributor), J G Ballard (Contributor), James Blish (Contributor), John Brunner (Contributor) — 25 more, Algis Budrys (Contributor), Bertram Chandler (Contributor), Arthur C Clarke (Contributor), Theodore Cogswell (Contributor), Gordon R Dickson (Contributor), Howard Fast (Contributor), H B Fyfe (Contributor), Tom Godwin (Contributor), Harry Harrison (Contributor), Damon Knight (Contributor), C M Kornbluth (Contributor), Katherine Maclean (Contributor), Walter M. Miller, Jnr (Contributor), Ward Moore (Contributor), Alan E Nourse (Contributor), Frederik Pohl (Contributor), Arthur Porges (Contributor), Eric Frank Russell (Contributor), James H Schmitz (Contributor), Howard Schoenfeld (Contributor), Robert Sheckley (Contributor), Clifford Simak (Contributor), John Steinbeck (Contributor), William Tenn (Contributor), A E van Vogt (Contributor)

Other authors: See the other authors section.

Series: Penguin Science Fiction (Brian Aldiss) (1-3)