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.
The Private Practice of Michael Shayne The Private Practice of Michael Shayne is a 1940 detective novel by the American writer Brett Halliday. It was the second book in Halliday's Michael Shayne series of novels, after "Dividend on Death" (1939).