Challenge of the Unknown
From Author Wars - https://authorwars.com/publications/challenge-of-the-unknown-309786.html
Overview:
- Title: Challenge of the Unknown
- Author: Clark Darlton
- Year: 1978
- ISBN-10: 0708870074
- Publisher: Orbit
- Price: £0.70
- Pages: 127
- Binding: Paperback
- Type: Chapter Book
- Title Reference: Challenge of the Unknown
- Notes: Signature PAJ on cover.
Cover art as "The Godmakers" in Solar Wind.