Philadelphia: Prime Press, 1949. First edition, first printing. Hardcover. Item #49846
Signed by de Camp on the front endpaper. "This is de Camp's best." Barron, Anatomy of Wonder 1987, *3-135. "This is science fiction of the best kind." Magill, Survey of Science Fiction Literature, pp 1198 - 1202. About fine in a fine custom made dust jacket. From the collection of George W. Earley. George had a habit of making his own dust jackets for books without a jacket.