Mammoths and Mastodons
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Overview:
- Title: Mammoths and Mastodons
- Author: L. Sprague de Camp
- Year: 1965
- Type: Essays
Variant Titles:
Editions/Publications:
- Unknown. The Magazine of Fantasy and Science Fiction, May 1965 (Unknown, L. Sprague de Camp, Mercury Press, Inc., $0.50, 132 pages, digest, MAGAZINE)
- Unknown. The Fringe of the Unknown (Unknown, L. Sprague de Camp, Prometheus Books, ISBN-10: 0879752041, $16.95, 208 pages, Hardcover, Non-fiction)
- Unknown. The Fringe of the Unknown (Unknown, L. Sprague de Camp, Prometheus Books, ISBN-10: 0879752173, $8.95, 208 pages, Trade Paperback, Non-fiction)