An overview of the best science fiction short stories of the 20th century as selected and evaluated by critically-acclaimed author Orson Scott Card. Featuring stories from the genres greatest authors: Isaac Asimov, Arthur C. Clarke, Robert A. Heinlein, Ursula K. Le Guin, Ray Bradbury, Frederik Pohl, Harlan Ellison, George Alec Effinger, Brian W. Aldiss, William Gibson & Michael Swanwick, Theodore Sturgeon, Larry Niven, Robert Silverberg, Harry Turtledove, James Blish, George R. R. Martin, James Patrick Kelly, Karen Joy Fowler, Lloyd Biggle, Jr., Terry Bisson, Poul Anderson, John Kessel, R.A. Lafferty, C.J. Cherryh, Lisa Goldstein, and Edmond Hamilton