Estudio en escarlata (Mi primer Sherlock Holmes)

My name is John Watson, I've just moved to London with my family, and this is the story of how I met my best friend, the incredible detective Sherlock Holmes. Together, we solve the trickiest and most mysterious cases on Baker Street, along with Toby, our loyal partner and the smartest and fastest bloodhound in the world. Case Notes: A Study in Scarlet Graffiti at the Drebber house. A mysterious ring (with no owner)! Who is responsible?