Crack the case with the world’s most famous detective! But before he became the great detective, who was young Sherlock Holmes? The third book in a series of mystery adventures featuring a teenage Sherlock and endorsed by the Conan Doyle Estate.

Crack the case with the world’s most famous detective! But before he became the great detective, who was young Sherlock Holmes? The third book in a series of mystery adventures featuring a teenage Sherlock and endorsed by the Conan Doyle Estate.