Short science fiction stories by Poul Anderson, Greg Bear, Dean Ing, Damon Knight, and Larry Niven are complemented by the factual science writings of Ben Bova, Robert Forward, Jerry Pournelle, G. Harry Stine, and others
Stories by Eric Leif Davin, Ben Bova, John Brunner, Gordon Dickson, and others are joined by experts' articles forecasting breakthroughs in aviation, space travel, and other areas of advanced technology.
Stories deal with clones, police states, space hunters, death games, computer smugglers, and a visit to hell, and are accompanied by articles on utopias and the Star Wars defence
Short stories about adventures in outer space and the world of the future are accompanied by articles on the strategic defense initiative and space flight
Stories and nonfiction articles deal with warfare, evolution, combat in zero-gravity, the planets, time travel, a space voyage, and the Challenger disaster
1 On Timeline Singularities, Space, and Human History essay by Charles Sheffield 20 Iron (Part 1 of 2) [Man-Kzin Wars] serial by Poul Anderson 97 Lord Rifkin's Risk novelette by Ralph Roberts 130 Teddy Bug and the Hot Purple Snowball [Tower to the Sky] novelette by Phillip C. Jennings 150 Guardian Angel novelette by Timothy Zahn 172 Timewarps Revisited essay by John Gribbin 184 The Armistice short story by Robert Reed 193 The Leading Edge (Far Frontiers 7) essay by Roland J. Green 202 America: A Second-Class Space Power essay by G. Harry Stine 230 Winged Mysteries—The Soviet Shuttles essay by Roger MacBride Allen 251 Young as You Feel novelette by Roger MacBride Allen