The Sign of the Four and play adaptations insure this book: The Sign of the Four was also adapted for radio by Bert Coules in 1989 as part of BBC Radio 4's complete audio Sherlock Holmes, with Clive Merrison as Holmes, Michael Williams as Watson, and featuring Brian Blessed as Jonathan Small. 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"
Young Sherlock Holmes (books) adaptation of the books. James Moran has been tapped for writing duties. Young Sherlock Holmes (books) Young Sherlock Holmes is a series of young adult thriller novels by British author Andrew Lane featuring Arthur Conan Doyle's detective Sherlock Holmes as a teenager in the 1860s and 70s that is faced with numerous mysteries, crimes and adventures throughout the series. So far there have been eight books released in the series, with the eighth book released in September 2015. Based on the success of Charlie Higson's bestselling Young Bond series, the estate of Sir Arthur Conan Doyle authorised a series of