Substance and Shadow
From Author Wars - https://authorwars.com/books/substance-and-shadow-812405.html
Overview:
- Title: Substance and Shadow
- Author: uncredited
- Year: 1974
- Type: Interior Art
Editions/Publications:
- Unknown. Galaxy, May 1974 (Unknown, uncredited, UPD Publishing Corporation, $0.75, 180 pages, digest, MAGAZINE)
- Unknown. Galaxy Science Fiction [UK], May 1974 (Unknown, uncredited, Universal-Tandem Publishing Company Ltd., £0.30, 180 pages, digest, MAGAZINE)