• Introduction: It Changed the World! • (1982) • essay by Isaac Asimov • Now Inhale • (1959) • novelette by Eric Frank Russell • Dreaming Is a Private Thing • (1955) • short story by Isaac Asimov • The Man Who Murdered Television • (1976) • short story by Joseph F. Patrouch, Jr. [as by Joseph F. Patrouch] • The Jester • (1951) • short story by William Tenn • The Man Who Came Back • (1961) • short story by Robert Silverberg • I See You • (1976) • short story by Damon Knight • The Prize of Peril • (1958) • short story by Robert Sheckley • Home Team Advantage • (1977) • short story by Jack C. Haldeman, II • Mercenary • [Joe Mauser] • (1962) • novella by Mack Reynolds • Without Portfolio • (1955) • short story by James E. Gunn • The Idea • (1971) • short story by Barry N. Malzberg [as by K. M. O'Donnell] • And Madly Teach • (1966) • novelette by Lloyd Biggle, Jr. • What Time Is It? • (1975) • short story by Jack C. Haldeman, II • Interview • (1963) • short story by Frank A. Javor • Cloak of Anarchy • [Known Space] • (1972) • novelette by Larry Niven • And Now the News ... • (1956) • novelette by Theodore Sturgeon • Very Proper Charlies • (1978) • novella by Dean Ing • Committee of the Whole • (1965) • short story by Frank Herbert