The first book in a historical crime series set in 1768 London featuring Sir John Fielding, a blind magistrate and founder of the Bow Street Runners police force. The narrator is Jeremy Proctor, 13 years old when the story starts and recent orphaned. Jeremy runs to London, where he is quickly tricked and accused of theft by a con artist. He ends up in front of Sir John, who easily figures the truth of the matter and then takes Jeremy under his wing. Jeremy ends up assisting him when Sir John investigates the locked room death of Lord Richard Goodhope. The mystery was sufficiently interesting and difficult to guess the resolution. Jeremy is a very appealing protagonist -- innocent, clever, and eager to please in this book. And Sir John is likeable and demands respect. I plan to continue reading this series.