Dynamo. New York: Horace Liveright, 1929. First edition. Dark glazed teal cloth, spine lettered in gilt, with author's signature in gilt to upper cover, in publisher's dust jacket printed in green and blue. A fine copy. Presentation copy, Inscribed by O'Neill on the front free endpaper. "A drama of overwhelming stature," according to Brooks Atkinson of The New York Times. "It contains some of Mr. O'Neill's best writing." O'Neill revised the play as it was presented on Broadway, and this is what his publisher calls the "enriched" version.