In 1665 London, fourteen-year-old Christopher Rowe, apprentice to an apothecary, and his best friend, Tom, try to uncover the truth behind a mysterious cult, following a trail of puzzles, codes, pranks, and danger toward an unearthly secret with the power to tear the world apart.

• ISBN: 9781481446518
• Published: 2015 , Aladdin
• Themes: Apprentices, Friendship, History, Secret societies
• Descriptors: England (UK), Fiction, Intermediate (ages 9-14)
• No. of pages: 384