9781424187317 | Publishamerica Inc, August 30, 2007, cover price $24.95

9780380752164 | Avon Books, February 1, 1987, cover price $3.95 | also contains Clifford Algebras and Their Applications in Mathematical Physics: Proceedings of the Third Conference Held at Deinze, Belgium, 1993 | About this edition: Unable to convince anyone of the truth, Rachael must face the living corpse of her violent ex-husband, Eric

9780671432676 | Pocket Books, November 1, 1984, cover price $3.95 | About this edition: Christine Scavello and her six-year-old son, Joey, are pursued by a murderous, fanatical cult that believes that the child is the Antichrist and have targetted him for destruction

9780786205790, titled "The Key to Midnight" | Large print edition (Thorndike Pr, March 1, 1996), cover price $23.95 | About this edition: Millionaire investigator Alex Hunter meets exciting, desirable Joanna Rand while on a mission in Japan but finds that she is a Senator's daughter who disappeared ten years ago and now has a new identity

9780671462109 | Reissue edition (Pocket Books, June 1, 1982), cover price $3.50 | About this edition: Millionaire investigator Alex Hunter meets exciting, desirable Joanna Rand while on a mission in Japan but finds that she is a Senator's daughter who disappeared ten years ago and now has a new identity

9780671432669 | Pocket Books, April 1, 1982, cover price $2.95 | About this edition: Susan Thorton gradually recovers from amnesia caused by an automobile accident and sees in the hospital her lover's murderers, who are supposedly dead