Letter (Comet, July 1941): Asimov to Brown

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Overview:

Title: Letter (Comet, July 1941): Asimov to Brown
Author: Isaac Asimov
Year: 1941
Type: Essays
Series: Letters: Isaac Asimov

Editions/Publications:

Unknown. Comet, July 1941 (Unknown, Isaac Asimov, H-K Publications, $0.20, 132 pages, pulp, MAGAZINE)
2015 . Comet, July 1941 (2015, Isaac Asimov, Pulp Tales Press, ISBN-10: 9781507506059, $12.95, 128 pages, Trade Paperback, Anthology)