Nero Wolfe can’t stand Leo Heller, a mathematician who uses operations research to solve mysteries and seems to be superseding Wolfe’s own reputation. But then Heller is murdered by one of his clients. He managed to leave a cryptic message that...
It all begins when Ellery Queen receives a manuscript that appears to be a genuine Sherlock Holmes novel written by John H. Watson, M.D. Where did it come from? The manuscript itself tells the long-concealed story of how Holmes stalked Jack the...