The Web of Wizardry (map)

From Author Wars - https://authorwars.com/books/the-web-of-wizardry-map-1063067.html

Overview:

Title: The Web of Wizardry (map)
Author: Bob Porter
Year: 1978
Type: Interior Art

Editions/Publications:

Unknown. The Web of Wizardry (Unknown, Bob Porter, Del Rey / Ballantine, ISBN-10: 0345273370, $1.95, 359 pages, Paperback, Novel)