Precognition and the Mystic 7

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Overview:

Title: Precognition and the Mystic 7
Author: Martin Gardner
Year: 1984
Type: Short Fiction
Series: SF Puzzles

Editions/Publications:

Unknown. Isaac Asimov's Science Fiction Magazine, February 1984 (Unknown, Martin Gardner, Davis Publications, ISBN-10: , $1.75, 180 pages, digest, MAGAZINE)