The Descent of Man
From Author Wars - https://authorwars.com/books/the-descent-of-man-866290.html
Editions/Publications:
- Unknown. Worlds of If, November-December 1974 (Unknown, Freff, UPD Publishing Corporation, $0.75, 164 pages, digest, MAGAZINE)
- Unknown. Worlds of If, November-December 1974 [UK] (Unknown, Freff, Universal-Tandem Publishing Company Ltd., £0.30, 164 pages, digest, MAGAZINE)