The Seven-Per-Cent Solution: Being a Reprint from the Reminiscences of John H. Watson, M.D.Paperback, 17 September 1993

First discovered and then painstakingly edited and annotated by Nicholas Meyer, "The Seven-Per-Cent Solution" relates the astounding and previously unknown collaboration of Sigmund Freud with Sherlock Holmes, as recorded by Holmes's friend and chronicler, Dr. John H. Watson. In addition to its breathtaking account of their collaboration on a case of diabolic conspiracy in which the lives of millions hang in the balance, it reveals such matters as the real identity of the heinous professor Moriarty, the dark secret shared by Sherlock and his brother Mycroft Holmes, and the detetctive's true whereabouts during the Great Hiatus, when the world believed him to be dead.