Planet of Dread
From Author Wars - https://authorwars.com/books/planet-of-dread-735017.html
Editions/Publications:
- Unknown. Fantastic Stories of Imagination, May 1962 (Unknown, Adkins, Ziff-Davis Publishing Company, $0.35, 132 pages, digest, MAGAZINE)
- Unknown. The Most Thrilling Science Fiction Ever Told, Fall 1968 (Unknown, Adkins, Ultimate Publishing Co., Inc., $0.50, 132 pages, digest, MAGAZINE)