Unknown
From Author Wars - https://authorwars.com/books/unknown-202231.html
Overview:
- Title: Unknown
- Author: John W. Campbell, Jr.
- Year: 1939
- Type: Essays
- Series: Editorial (Astounding)
Editions/Publications:
- Unknown. Astounding Science-Fiction, February 1939 (Unknown, John W. Campbell, Jr., Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)