The Walls of Air (maps)

From Author Wars - https://authorwars.com/books/the-walls-of-air-maps-3019463.html

Overview:

Title: The Walls of Air (maps)
Author: uncredited
Year: 1983
Type: Interior Art

Editions/Publications:

Unknown. The Walls of Air (Unknown, uncredited, Del Rey / Ballantine, ISBN-10: 0345296702, $2.95, [6]+297 pages, Paperback, Novel)