The Sign of the Four The Sign of the Four The Sign of the Four (1890), also called The Sign of Four, is the second novel featuring Sherlock Holmes written by Sir Arthur Conan Doyle. Doyle wrote four novels and 56 short stories featuring the fictional detective. The story is set in 1888. "The Sign of the Four" has a complex plot involving service in India, the Indian Rebellion of 1857, a stolen treasure, and a secret pact among four convicts ("the Four" of the title) and two corrupt prison guards. It presents the detective's drug habit and humanizes him in a way that had
Adventures of Sherlock Holmes; or, Held for Ransom Adventures of Sherlock Holmes; or, Held for Ransom Adventures of Sherlock Holmes; or, Held for Ransom is a 1905 American silent film directed by J. Stuart Blackton for Vitagraph Studios. It was the second film based on Arthur Conan Doyle's "Sherlock Holmes" stories, following the 1900 Mutoscope trick film "Sherlock Holmes Baffled", and is usually regarded as the first attempt to film a "serious" Holmes adaptation. The scenario was by Theodore Liebler based on elements of Conan Doyle's novel "The Sign of the Four". Robert Pohle notes that "Deprived of his voice in those early silent films, Holmes was also