Since the late 19th century, Sir Arthur Conan Doyle's most famous detective has kept readers entertained and today still delights a fanatical following. Discover the details of Sherlock Holmes, the Victorian world that he inhabited, and intricacies of the stories that continue to thrive in both book and film format. Find out too about the man who created a character so realistic that letters still arrive at 221B Baker Street, Holmes's London address.