The Mammoth Book of Short Horror Novels

From Author Wars - https://authorwars.com/publications/the-mammoth-book-of-short-horror-novels-1038147.html

Overview:

Title: The Mammoth Book of Short Horror Novels
Author: Mike Ashley
Year: 1988
Publisher: Carroll & Graf / SFBC
Pages: x+518
Binding: Hardcover
Type: Anthology
Title Reference: The Mammoth Book of Short Horror Novels
Notes: Info from Archive.org copy.