The Third Thumbprint

From Author Wars - https://authorwars.com/books/the-third-thumbprint-2702621.html

Overview:

Title: The Third Thumbprint
Author: Jim Garrison
Year: 1973
Type: Interior Art

Editions/Publications:

Unknown. Werewolf (Unknown, Jim Garrison, Fantasy House, $1.95, 48 pages, quarto, Anthology)