Brass Tacks (Analog, April 2015)

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Overview:

Title: Brass Tacks (Analog, April 2015)
Author: various
Year: 2015
Type: Essays
Series: Brass Tacks

Editions/Publications:

Unknown. Analog Science Fiction and Fact, April 2015 (Unknown, various, Dell Magazines, $4.99, 116 pages, digest, MAGAZINE)