Robert Silverberg's career stretches back to the pulps and his output is amazing by any standard. He is a multiple winner of both Hugo and Nebula Awards, a member of the Science Fiction and Fantasy Hall of Fame, and was named a Grand Master of Science Fiction in 2004 by the Science Fiction and Fantasy Writers of America. He has attended every Hugo Awards ceremony since the inaugural event in 1953. He's authored numerous novels, short stories, and nonfiction books in various genres and categories. He's also a frequent guest at conventions and a regular columnist for Asimov's Science Fiction. His major works include Dying Inside, The Book of Skulls, The Alien Years, The World Inside, Nightfall and The Positronic Man with Isaac Asimov, Nightwings, and the seven Majipoor Cycle books. Anthologies he's edited include The Science Fiction Hall of Fame (two volumes), the Alpha and New Dimensions series (both multiple volumes), Universe 1-3 with Karen Haber, Legends I and Legends II, two Nebula Awards anthologies, The Fantasy Hall of Fame (two volumes, the first with Martin H. Greenberg, the second solo), Tales From Super-Science Fiction, Far Horizons, Earthmen and Strangers, and Mutants. The present volume is his forty-eighth anthology as editor.