The world's most famous detective. The most brilliant mind in fiction. But before he became the great detective, who was young Sherlock Holmes? The first book in a series of mystery adventures featuring a teenage Sherlock and endorsed by the Conan Doyle Estate, now with a new cover look

The world's most famous detective. The most brilliant mind in fiction. But before he became the great detective, who was young Sherlock Holmes? The first book in a series of mystery adventures featuring a teenage Sherlock and endorsed by the Conan Doyle Estate, now with a new cover look