Factor, Unknown
From Author Wars - https://authorwars.com/books/factor-unknown-691889.html
Overview:
- Title: Factor, Unknown
- Author: J. W. Tillotson
- Year: 1952
- Type: Interior Art
Editions/Publications:
- Unknown. Other Worlds Science Stories, June 1952 (Unknown, J. W. Tillotson, Clark Publishing Company, $0.35, 164 pages, digest, MAGAZINE)