Incubus

From Author Wars - https://authorwars.com/publications/incubus-941888.html

Overview:

Title: Incubus
Author: Ray Russell
Year: 1983
ISBN-10: 0722175604
Publisher: Sphere
Price: £1.50
Pages: 236
Binding: Paperback
Type: Novel
Title Reference: Incubus
Notes: Info from Archive.org copy. "Reprinted 1977 (three times), 1979, 1980 (twice), 1981, 1983" on copyright page. Other prices on back cover: Australia $4.95, Malta £1.50. Back cover includes credits from the movie and a blurb, "AVAILABLE ON VIDEO". Last page is unnumbered.