The previous diaries of Arthur Conan Doyle tell of the shadowy real life Sherlock Holmes, a medical school dropout. While in the laboratory of Dr. Joseph Bell, a brilliant Edinburgh surgeon, Holmes learned anatomy, surgery, observation and deduction. These skills and his ability to solve crimes led to his recruitment by the British secret service. In this the last of three diaries, Doyle recounts a series of murders and the pursuit of a sinister Russian...