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 nunca" (2004), where Sherlock Holmes meets Mary Poppins. The Conan Doyle estate commissioned Anthony Horowitz, author of the Alex Rider novels, "The Power of Five" and TV's "Foyle's War", to write a new, uniquely "authorised" Sherlock Holmes novel. Published by Orion Books in 2011 under the title "The House of Silk", the content and title were a "closely guarded secret" before publication. . The BBC's TV series "Sherlock" re-imagines Holmes and Watson (played by Benedict Cumberbatch and Martin Freeman) as contemporary figures with Watson publishing his accounts of Holmes' exploits online. The US TV series "Elementary" features a modern Holmes