Secret Barrier X
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Overview:
- Title: Secret Barrier X
- Author: W. W. Shols
- Year: 1976
- ISBN-10: 0860079007
- Publisher: Orbit
- Pages: 128
- Binding: Paperback
- Type: Chapter Book
- Title Reference: Secret Barrier X
- Notes: Cover art not credited but signed 'PAJ 75' on rock under the figures. (Not in Jones' "Solar Wind).