The Parasite

From Author Wars - https://authorwars.com/publications/the-parasite-45097.html

Overview:

Title: The Parasite
Author: Ramsey Campbell
Year: 1993
ISBN-10: 0747240612
Publisher: Headline
Price: £4.99
Pages: 369
Binding: Paperback
Type: Novel
Title Reference: The Parasite
Notes: This edition contains both the original ending, and the revised version written for the American edition (Macmillan 1980 as The Parasite), and has a new afterword discussing the history of the book and the two endings.