The Nightfall Effect
From Author Wars - https://authorwars.com/books/the-nightfall-effect-115626.html
Overview:
- Title: The Nightfall Effect
- Author: Isaac Asimov
- Year: 1976
- Type: Essays
- Series: Asimov's Essays: F&SF
Editions/Publications:
- Unknown. The Magazine of Fantasy and Science Fiction, March 1976 (Unknown, Isaac Asimov, Mercury Press, Inc., $1.00, 164 pages, digest, MAGAZINE)
- Unknown. The Planet That Wasn't (Unknown, Isaac Asimov, Discus / Avon, ISBN-10: 0380018136, $1.75, 237 pages, Paperback, Non-fiction)
- Unknown. The Planet That Wasn't (Unknown, Isaac Asimov, Doubleday, ISBN-10: 038511687X, $7.95, x+206 pages, Hardcover, Non-fiction)
- Unknown. The Planet That Wasn't (Unknown, Isaac Asimov, Sphere Books, ISBN-10: 0722112580, £0.85, 234 pages, Paperback, Non-fiction)
- Unknown. The Planet That Wasn't (Unknown, Isaac Asimov, Sphere, ISBN-10: 0722112610, £0.95, 234 pages, Paperback, Non-fiction)