The World Next Door (map)

From Author Wars - https://authorwars.com/books/the-world-next-door-map-3067445.html

Overview:

Title: The World Next Door (map)
Author: uncredited
Year: 1990
Type: Interior Art

Editions/Publications:

Unknown. The World Next Door (Unknown, uncredited, Tor, ISBN-10: 0812537955, $3.95, [8]+342 pages, Paperback, Novel)