Title: Challenge of the Unknown

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Title: Challenge of the Unknown Title Record # 906262
Author: Clark Darlton
Date: 1973-10-00
Variant Title of: Aktion gegen Unbekannt (by Clark Darlton ) [may list more publications, awards, reviews, votes and covers]
Type: SHORTFICTION
Length: novella
Series: PR Zyklus 1: Die Dritte Macht
Series Number: 40
Language: English
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Publications

Title Date Author/Editor Publisher/Pub. Series ISBN/Catalog# Price Pages Format Type Cover Artist Verif
Perry Rhodan #32: Challenge of the Unknown 1973-10-00 ed. Forrest J. Ackerman Ace Books 66015 $0.75 160 pb? mag Gray Morrow Checkmark
Challenge of the Unknown 1978-00-00 Clark Darlton Orbit (Perry Rhodan (UK) #32) 0-7088-7007-4 0.70 127 pb? chap Peter Jones Checkmark
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