Descending
From Author Wars - https://authorwars.com/books/descending-118618.html
Editions/Publications:
- Unknown. Fantastic Stories of Imagination, July 1964 (Unknown, Adragna, Ziff-Davis Publishing Company, $0.50, 132 pages, digest, MAGAZINE)
- Unknown. The Most Thrilling Science Fiction Ever Told No. 13, Summer 1969 (Unknown, Adragna, Ultimate Publishing Co., Inc., $0.50, 132 pages, digest, MAGAZINE)