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
The Rivals of Sherlock Holmes (TV series) The Rivals of Sherlock Holmes (TV series) The Rivals of Sherlock Holmes is a British anthology mystery television series that was produced by Thames Television and originally broadcast on the ITV Network. There were two series of 13 fifty-minute episodes; the first aired in 1971, the second in 1973. The programme presented adaptations of short mystery, suspense or crime stories featuring, as the title suggests, detectives who were literary contemporaries of Arthur Conan Doyle's Sherlock Holmes. "The Rivals of Sherlock Holmes" took its inspiration – and title – from a series of published anthologies by Hugh Greene, elder brother of