Sherlock Holmes tour far from elementary, my dear WatsonTitchard, a Sherlockian scholar, is tour guide on a walk that gives visitors a taste of places associated with the Great Detective.
Along the way he demolishes a number of myths that have grown around the hero of Sir Arthur Conan Doyle's most famous creation.
For a start, however, we have to play a game, the only rule of which is that we accept that Holmes and Watson, Moriarty and Irene Adler and all the rest were real people and not an author's inventions.
So now, "The game is afoot!" to borrow a quote from The Abbey Grange.
First, those myths. Says Titchard: "Let's talk about the meerschaum pipe he never smoked, the deerstalker cap he never wore and the Inverness cape he never had."