The Entity Author:Frank De Felitta The book is based upon a true story in which an young woman named Carlotta is beset by an incubus, which is a demon that assumes male form and descends upon women, often while they are sleeping, and proceeds to have sexual intercourse with them. Tired of having this spectral rapist have his way with her, Carlotta seeks the help of a psychiatrist... more » who believes that she is mentally ill and that her experiences are simply in her mind and a manifestation of her illness. He, unfortunately, falls in love with her.
Carlotta, finding that the psychiatrist is unable to prevent her nightly orgiastic experiences, consults with members of a paranormal investigative team from the same university with which the psychiatrist is affiliated. While the team that investigates paranormal activity seems to be onto something, the psychiatrist considers their investigation to be an intrusion into his bailiwick, and a clash of the opposing disciplines ensues.« less