The Thinking Machine: Being a True and Complete Statement of Several Intricate Mysteries which came under the Observation of Professor Augustus S.F.X. Van Dusen, PH.D., LL.D., F.R.S., M.D., etc.

342 pp. Frontispiece and three plates by The Kinneys, who provided illustrations for Harper's Bazaar covers and numerous novels, including Sir Arthur Conan Doyle's Sir Nigel. A collection of seven Professor Augustus S.F.X. Van Dusen mysteries. Includes: The Problem of Cell 13; The Scarlet Thread; The Man Who Was Lost; The Great Auto Mystery; The Flaming Phantom; The Ralston Bank Burglary; The Mystery of a Studio.