CLASSIC SCIENCE FICTION STORIES. Tempo Books, 1966. Paperback, 1st printing with cover code #T111. Includes an introduction by the editor and these stories: Microcosmic God (1941) by Theodore Sturgeon; Commencement Night (1953) by Richard Ashby; The Deep Range (1955) by Arthur C. Clarke; Machine Made (1951) by J. T. McIntosh; Trip One (1949) by Edward Grendon; Venus Is a Man's World (1951) by William Tenn; Good-Bye, Ilha! (1952) by Laurence Manning; Misbegotten Missionary (1950) by Isaac Asimov; The Ethical Equations (1945) by Murray Leinster; Misfit [Future History] (1939) by Robert A. Heinlein; Genius (1948) by Poul Anderson; Basic Right (1958) by Eric Frank Russell. Later reprinted as "Minds Unleashed."
