Jayne Ann Krentz, née Jayne Castle, is an American writer of romance novels. Krentz is the author of a string of New York Times bestsellers under seven different pseudonyms. Now, she only uses three names. Under her married name she writes contemporary romantic-suspense. She uses Amanda Quick for her novels of historical romantic-suspense. She uses her maiden name for futuristic/paranormal romantic-suspense writing.
Over 35 million copies of Krentz's novels are in print.