Joseph Smith Fletcher (7 February 1863 - 30 January 1935) was a British journalist and author. He wrote more than 230 books on a wide variety of subjects, both fiction and non-fiction. He was one of the leading writers of detective fiction in the "Golden Age." In this book: The Middle Temple Murder Dead Men's Money The Paradise Mystery Scarhaven Keep The Chestermarke Instinct Ravensdene Court The Orange-Yellow Diamond