The Obvious Factor
From Author Wars - https://authorwars.com/books/the-obvious-factor-75576.html
Overview:
- Title: The Obvious Factor
- Author: Isaac Asimov
- Year: 1973
- Type: Short Fiction
- Series: Black Widowers
Variant Titles:
Editions/Publications:
- Unknown. The Best Mysteries of Isaac Asimov (Unknown, Isaac Asimov, Fawcett Gold Medal / Ballantine, ISBN-10: 0449132870, $4.50, xiv+400 pages, Paperback, Collection)
- Unknown. Tales of the Black Widowers (Unknown, Isaac Asimov, Fawcett Crest, ISBN-10: 0449229440, $1.50, 224 pages, Paperback, Collection)
- Unknown. Tales of the Black Widowers (Unknown, Isaac Asimov, Fawcett Crest, ISBN-10: 0449229440, $1.50, 224 pages, Paperback, Collection)
- Unknown. Tales of the Black Widowers (Unknown, Isaac Asimov, Panther, ISBN-10: 0586043268, £0.60, 224 pages, Paperback, Collection)
- Unknown. Ellery Queen's Mystery Magazine, May 1973 (Unknown, Isaac Asimov, Davis Publications, $0.75, digest, MAGAZINE)
- Unknown. The Return of the Black Widowers (Unknown, Isaac Asimov, Carroll & Graf, ISBN-10: 0786716517, $14.95, xv+335 pages, Trade Paperback, Collection)
- Unknown. The Return of the Black Widowers (Unknown, Isaac Asimov, Carroll & Graf, ISBN-10: 0786712481, $24.00, xv+335 pages, Hardcover, Collection)
- Unknown. Tales of the Black Widowers (Unknown, Isaac Asimov, Fawcett Crest, ISBN-10: 0449229440, C$1.50, 224 pages, Paperback, Collection)
- Unknown. The Best Mysteries of Isaac Asimov (Unknown, Isaac Asimov, Grafton Books, ISBN-10: 0246131861, £10.95, xiv+345 pages, Hardcover, Collection)
- Unknown. The Best Mysteries of Isaac Asimov (Unknown, Isaac Asimov, Doubleday & Company, ISBN-10: 0385197837, $17.95, xiv+345 pages, Hardcover, Collection)
- 1974 . Tales of the Black Widowers (1974, Isaac Asimov, Doubleday, ISBN-10: 0385083033, $5.95, xiii+198 pages, Hardcover, Collection)