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
Sherlock Holmes pastiches literature. In January 1928, the short story "My Dear Holmes" was published in "Punch, or the London Charivari". The sub-title of the story was: "His positively last appearance on earth." Written from the point of view of Holmes, it starts out in the usual way, and then ends rather lamely with no mystery presented or solved, but Holmes dead of incautiously (and improbably) sniffing excessively at a bottle of an anesthetic ("A.C.E.") he has asked Watson to bring with them on an errand. Arthur Conan Doyle's son, Adrian Conan Doyle, wrote—in a joint effort with John Dickson Carr—twelve Sherlock Holmes