Shadow World [2]
From Author Wars - https://authorwars.com/books/shadow-world-2-958876.html
Editions/Publications:
- Unknown. Galaxy Science Fiction, September 1957 (Unknown, Dillon, Galaxy Publishing Corporation, $0.35, 148 pages, digest, MAGAZINE)
- Unknown. Galaxy Science Fiction [UK], No. 56 (Unknown, Dillon, Strato Publications, 2/-, 132 pages, digest, MAGAZINE)