Mulvan (map)

From Author Wars - https://authorwars.com/books/mulvan-map-1717142.html

Overview:

Title: Mulvan (map)
Author: Jack Gaughan
Year: 1968
Type: Interior Art

Editions/Publications:

Unknown. The Goblin Tower (Unknown, Jack Gaughan, Del Rey / Ballantine, ISBN-10: 034529842X, C$3.50, [9]+260 pages, Paperback, Novel)