The Heroic Age of American Invention
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Overview:
- Title: The Heroic Age of American Invention
- Author: L. Sprague de Camp
- Year: 1961
- Type: Non-fiction
Editions/Publications:
- Unknown. The Heroic Age of American Invention (Unknown, L. Sprague de Camp, Doubleday, $4.50, 290 pages, Hardcover, Non-fiction)