Realm of the Tri-Planets
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Overview:
- Title: Realm of the Tri-Planets
- Author: Gray Morrow
- Year: 1973
- Type: Cover Art
Editions/Publications:
- Unknown. Perry Rhodan #31: Realm of the Tri-Planets (Unknown, Gray Morrow, Ace Books, $0.75, 160 pages, Paperback, MAGAZINE)