9780380761012 | Avon Books, June 1, 1996, cover price $5.99 | About this edition: When a far future utopian civilization becomes threatened, Derek Soul travels to a near-future Earth that is haunted by an impending eco-doom, and he is overwhelmed by human nature and dangerous alien forces.

9780312026172 | St Martins Pr, January 1, 1989, cover price $16.95 | About this edition: Five children in individual life support pods are sent back to the earth, which they are told has been destroyed by nuclear war

9780380708635 | Reprint edition (Avon Books, October 1, 1991), cover price $3.99 | About this edition: Five children in individual life support pods are sent back to the earth, which they are told has been destroyed by nuclear war

9780380755844 | Avon Books, April 1, 1989, cover price $3.50 | also contains How Can I Be Down? | About this edition: Bloodfang (The Bloodfang Trilogy)

9780312010669 | St Martins Pr, December 1, 1987, cover price $1.98

9780312912239 | Reprint edition (St Martins Pr, October 1, 1988), cover price $3.50 | About this edition: A black-market cloning operation plots to sell duplicates of Mercedes Night, a hot vidstar, but the clones have minds of their own, and soon the real Mercedes must come to grips with the existence of several exact duplicates of herself

9780380751976 | Avon Books, May 1, 1988, cover price $2.95 | About this edition: When the curse of Morgana sends her into an alien world, Thyri, a young werewolf, must rely on Gerald, a mystical warrior, to help her battle its evil forces

9780380751983 | Avon Books, May 1, 1987, cover price $2.95 | About this edition: Thyri, a were-creature trained by the sorceress Scacath, encounters a witch, a clever wizard, and the implications of her true nature