Diogenes Club series "Sherlock". The Diogenes Club has appeared, in various forms, in a great many other settings, most of which take as given the Club's connection to the British Secret Service: Diogenes Club The Diogenes Club is a fictional gentleman's club created by Sir Arthur Conan Doyle and featured in several Sherlock Holmes stories, such as "The Greek Interpreter". It seems to have been named after Diogenes the Cynic (although this is never explained in the original stories) and was co-founded by Sherlock's indolent elder brother, Mycroft Holmes. The club is described by Sherlock Holmes in the story "The Adventure of
Young Sherlock Holmes: Death Cloud Young Sherlock Holmes: Death Cloud Young Sherlock Holmes: Death Cloud is the first novel in the Young Sherlock Holmes series that depicts Arthur Conan Doyle's detective Sherlock Holmes as a teenager in the 1860s and 70s. It was written by Andrew Lane and released in the UK on June 4, 2010 by Macmillan Books. After a month of holidays Sherlock discovers that his brother Mycroft has hired him an unusual American tutor named Amyus Crowe. During their first lesson together Sherlock finds a dead body on the Holmes' estate and witnesses the same cloud surrounding the body that Matty had