The Sign of Four was the second novel featuring which famous fictional detective, following A Study In Scarlet?
The Sign of Four (2001 film) The Sign of Four (2001) is a Canadian television film directed by Rodney Gibbons and starring Matt Frewer and Kenneth Welsh. The movie is based on Arthur Conan Doyle's second Sherlock Holmes story.
Anne Hocking Naomi Annie Hocking Messer (1889 – 17 March 1966), known as Anne Hocking and nicknamed "Mona," was an English crime writer, best remembered for her detective stories featuring Chief Superintendent William Austen.