Unprovable Speculation
From Author Wars - http://www.authorwars.com/books/titles/117697/unprovable-speculation/
Overview:
- Title: Unprovable Speculation
- Author: John W. Campbell, Jr.
- Year: 1957
- Type: Essay
Editions/Publications:
- 1957. Astounding Science Fiction, February 1957 (1957, John W. Campbell, Jr. Street & Smith Publications, Inc., $0.35, 164 pages, digest, Magazine)
Resources:
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