"In Arthur Conan Doyle's A Study in Scarlet a popular cultural phenomenon is born. We meet two of the most famous characters in modern literary history: the consulting detective Sherlock Holmes and John Watson, an army doctor home on sick leave, for the first time. Through Watson we learn a little about the eccentric figure who is his new room-mate at 221B Baker Street, before they encounter their first case: an American visitor to the city has been...