Sign of the Four

The Sign of the Four Arthur Conan Doyle - First published in 1890, The Sign of Four is Sir Arthur Conan Doyle''s second book starring legendary detective Sherlock Holmes. The story is complex, involving a secret between four ex-cons from India and a hidden treasure. More complex than the first Holmes novel, The Sign of Four also introduces the detective''s drug habit and leaves breadcrumbs for the...