Thirty Days Hath September
From Author Wars - https://authorwars.com/books/thirty-days-hath-september-810713.html
Overview:
- Title: Thirty Days Hath September
- Author: Martin Gardner
- Year: 1982
- Type: Short Fiction
- Series: SF Puzzles
Editions/Publications:
- Unknown. Isaac Asimov's Science Fiction Magazine, December 1982 (Unknown, Martin Gardner, Davis Publications, ISBN-10: , $1.95, 196 pages, digest, MAGAZINE)
- Unknown. Puzzles from Other Worlds: Fantastical Brainteasers from Isaac Asimov's Science Fiction Magazine (Unknown, Martin Gardner, Oxford University Press, ISBN-10: 0192860666, £3.95, xii+189 pages, Trade Paperback, Collection)