The hit BBC series "Sherlock" offers a fresh, contemporary take on the original Sir Arthur Conan Doyle stories, and has helped introduce a whole new generation of fans to the legendary detective. This TV tie-in edition to Sir Arthur Conan Doyle's second collection of Sherlock Holmes short stories, which was first published in 1894, includes the infamous "The Final Problem". It is one of Conan Doyle's favourite Sherlock tales and the detective's deadliest challenge. This is the ultimate thriller, in which Sherlock meets his intellectual match: the criminal mastermind Professor Moriarty. As Moriarty pushes Sherlock to his intellectual limits, this game of cat and mouse will test not only their wits but their mortality.