The 1981 Annual World's Best SF

"Introduction" (Donald A. Wollheim) "Variation on a Theme from Beethoven" (Sharon Webb) "Beatnik Bayou" (John Varley) "Elbow Room" (Marion Zimmer Bradley) "The Ugly Chickens" (Howard Waldrop) "Prime Time" (Norman Spinrad) "Nightflyers" (George R. R. Martin) "A Spaceship Built of Stone" (Lisa Tuttle) "Window" (Bob Leman) "The Summer Sweet, the Winter Wild" (Michael G. Coney) "Achronos" (Lee Killough)