The Tower of Mystery
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Overview:
- Title: The Tower of Mystery
- Author: L. Sprague de Camp
- Year: 1970
- Type: Essays
Editions/Publications:
- Unknown. The Ragged Edge of Science (Unknown, L. Sprague de Camp, Owlswick Press, ISBN-10: 0913896063, $16.00, x+244 pages, Hardcover, Non-fiction)