Unknown, July 1940
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Overview:
- Title: Unknown, July 1940
- Author: John W. Campbell, Jr.
- Year: 1940
- Publisher: Street & Smith Publications, Inc.
- Price: $0.20
- Pages: 164
- Binding: pulp
- Type: MAGAZINE
- Title Reference: Fear (Complete Novel)
- Notes: Volume III, Number 5 No cover art. Interior art by Cartier, R. Isip, and Kramer.