Unholy Trinity

From Author Wars - https://authorwars.com/publications/unholy-trinity-275533.html

Overview:

Title: Unholy Trinity
Author: Robert Bloch
Year: 1986
ISBN-10: 0910489092
Publisher: Scream/Press
Price: $30.00
Pages: 350
Binding: Hardcover
Type: Omnibus
Title Reference: The Couch
Notes: "Of the edition, 250 numbered copies were signed by the author and artist." Information on the numbered & signed copies and cover artist on this book from The Whole Science Fiction Data Base No.3.