9780671559793 | Pocket Books, September 1, 1985, cover price $2.95 | About this edition: Soviet scientists discover the secret of a mysterious explosion that leveled a remote section of Siberia in 1889 and now intend to use their discovery to destroy the United States by identical, seemingly natural causes

9780671656485 | Baen Books, June 1, 1987, cover price $2.95 | About this edition: Because of a world-spanning socialistic bureaucracy on Earth in the twenty-first century, those who seek freedom must journey to the space colonies established in the asteroid belt

9780671653927 | Baen Books, March 1, 1988, cover price $2.95 | About this edition: While exploring on the Saturnian moon Rhea, Derek Kuroda discovers some powerful alien artifacts which soon become the source of power to launch dozens of asteroid worlds to freedom

9780671720209 | Baen Books, September 1, 1990, cover price $3.50

9780380760602 | Avon Books, October 1, 1991, cover price $4.50 | also contains X 5: Flesh and Blood

9780312872984, titled "Legacy of Prometheus" | Forge, April 1, 2000, cover price $24.95 | About this edition: With the government offering to guarantee a market to the first company that can beam a gigawatt of electricity to Earth, the race is on to harness solar energy.

9780765303820 | Reprint edition (Forge, October 1, 2002), cover price $14.95 | About this edition: With the government offering to guarantee a market to the first company that can beam a gigawatt of electricity to earth, the race is on to harness solar energy, with Cash Carlson and his Lone Star Space Systems rushing to construct Prometheus, a solar-powered satellite.

9780671004255 | Pocket Books, March 1, 1999, cover price $6.50 | About this edition: When an alien scientist asks to join Captain Kathryn Janeway in the investigation of an unprecedented scientific find, Voyager is soon embroiled in a battle of wills among several alien races--each intent on decimating whole worlds in the process

9780743453837 | Star Trek, August 10, 2002, cover price $8.99