Space Mercenaries
From Author Wars - https://authorwars.com/books/space-mercenaries-676401.html
Overview:
- Title: Space Mercenaries
- Author: Gray Morrow
- Year: 1965
- Type: Cover Art
Editions/Publications:
- Unknown. The Caves of Mars / Space Mercenaries (Unknown, Gray Morrow, Ace Books, $0.45, 125+131 pages, dos, Omnibus)