Sherlock Holmes and Dr John Watson, famous for their crime-solving capabilities, are mysterious figures themselves. What is known about their pasts, and the reasons behind their very different personalities? What led two strikingly different individuals to form a relationship which would last for over forty-six years? This detailed and enthralling account ponders answers to the many uncertainties and enigmas which surround the pair. And there are other puzzles to be solved. When did the case of the Hound of the Baskervilles actually occur? Who was John Watson's mysterious second wife? And what is the real location of the legendary 221B Baker Street? A thorough investigation commences as Sir Arthur Conan Doyle's most famous creations are placed under the magnifying glass...