Summons of the Void
From Author Wars - https://authorwars.com/books/summons-of-the-void-729633.html
Editions/Publications:
- Unknown. Fantastic Stories of Imagination, December 1960 (Unknown, Douglas, Ziff-Davis Publishing Company, $0.35, 132 pages, digest, MAGAZINE)
- Unknown. Thrilling Science Fiction, August 1973 (Unknown, Douglas, Ultimate Publishing Co., Inc., $0.60, 132 pages, digest, MAGAZINE)