Sir Arthur Conan Doyle thought he had finished forever with his immortal sleuth Sherlock Holmes and his chronicler, Dr Watson. Exhausted and bored with the Holmes saga, he wanted to turn to more serious writing. In the short story The Final Problem, published in 1893 as part of the collection The Memoirs of Sherlock Holmes, the author had sent Holmes plunging to his doom into the Reichenbach Falls. However, by 1901, Doyle found himself in severe financial difficulties. It was then that he resurrected his popular detective. The Hound of the Baskervilles is set in time before the...