Includes: Harrison Bergeron by Kurt Vonnegut Jr. The engine at heartspring's centre by Roger Zelazny Twillight by John C. Campbell Mysterious doings in the Metropolitan Museum by Fritz Leiber The crystal egg by H.G. Wells The Gioconda of the twilight moon by J.G. Ballard The tunnel under the world by Frederik Pohl The coffin cure by Alan E. Nourse Castaway by Arthur C. Clarke The lost machine by John Wyndham "--And he built a crooked house--" by Robert A. Heinlein The third expedition by Ray Bradbury The day beofre the revolution by Ursula K. LeGuin The insect tapes by Michael Scott Rohan Carrier by Robert Sheckley Descending by Thomas M. Disch Abreaction by Theodore Sturgeon Vault of the beast by A.E. van Vogt Eurema's dam by R.A. Lafferty Ghetto by Paul Anderson Is your child using drugs? Seven ways to recognize a drug addict by Rachel Pollack The ninth symphony of Ludwig Van Beethoven and other lost songs by Carter Scholz The electric ant by Philip K. Roth "Arena" by Fredric Brown The man who came back by Robert Silverberg