The Warlock of Firetop Mountain

From Author Wars - https://authorwars.com/publications/the-warlock-of-firetop-mountain-897533.html

Overview:

Title: The Warlock of Firetop Mountain
Author: Steve Jackson, Ian Livingstone
Year: 1983
ISBN-10: 0440993814
Publisher: Dell Laurel-Leaf
Price: $1.95
Pages: [168]
Binding: Paperback
Type: Novel
Title Reference: The Warlock of Firetop Mountain
Notes: Data from WorldCat. Richard Corben's signature in lower left corner of art area, seen on bigger scan on Fonts in Use blog, which also mentions November as the publication month.