A Guide to Barsoom (maps)

From Author Wars - https://authorwars.com/books/a-guide-to-barsoom-maps-1507215.html

Overview:

Title: A Guide to Barsoom (maps)
Author: Gene Siegel
Year: 1976
Type: Interior Art

Editions/Publications:

Unknown. A Guide to Barsoom (Unknown, Gene Siegel, Ballantine Books, ISBN-10: 0345247221, $1.75, [8]+200 pages, Paperback, Non-fiction)
Unknown. A Guide to Barsoom (Unknown, Gene Siegel, Del Rey / Ballantine, ISBN-10: 0345285956, C$2.50, 200 pages, Paperback, Non-fiction)