The Grand Illusions

From Author Wars - https://authorwars.com/books/the-grand-illusions-810353.html

Overview:

Title: The Grand Illusions
Author: Jack Gaughan
Year: 1972
Type: Interior Art

Editions/Publications:

Unknown. Galaxy Magazine, May-June 1972 (Unknown, Jack Gaughan, UPD Publishing Corporation, $0.75, 180 pages, digest, MAGAZINE)
Unknown. Galaxy Science Fiction [UK], May-June 1972 (Unknown, Jack Gaughan, Universal-Tandem Publishing Company Ltd., £0.25, 180 pages, digest, MAGAZINE)