The Year's Best Science Fiction : Sixteenth Annual Collection Paperback – July, 1999
by Gardner R. Dozois 

Science Fiction routinely explores the future, but it takes the hand of a master to capture the farthest reaches of time -- futures almost unimaginably distant. The Furthest Horizon collects 17 of the most inventive and audacious visions of the future by many acclaimed writers, including:

Brian Aldiss -- Poul Anderson -- Avram Davidson -- Joe Haldeman -- Alexander Jablokov -- Paul J. McAuley -- Ian McDonald -- Michael Moorcock -- Frederik Pohl -- Robert Reed -- Keith Roberts -- Robert Silverberg -- Cordwainer Smith -- James Tiptree, Jr. -- Jack Vance -- Walter Jon Williams -- Gene Wolfe