The Fallible Fiend (Part 1 of 2)

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Overview:

Title: The Fallible Fiend (Part 1 of 2)
Author: L. Sprague de Camp
Year: 1972
Type: Serials

Editions/Publications:

Unknown. Fantastic, December 1972 (Unknown, L. Sprague de Camp, Ultimate Publishing Co., Inc., $0.60, 132 pages, digest, MAGAZINE)