A Spy in the House

Reach for this book when your teenager is feeling restricted by social expectations or is searching for a sense of belonging in a world where they feel like an outsider. It is a sophisticated historical mystery that follows Mary Quinn, a biracial orphan saved from a life of crime and trained as a secret agent in Victorian London. While the plot is full of espionage and suspense, the emotional core focuses on Mary's journey to reclaim her identity and find her footing in a society that often overlooks her. Parents will appreciate the strong, intelligent female protagonist who uses her wits and education rather than just physical force. The book handles themes of class, gender roles, and racial identity with nuance and historical accuracy. It is perfect for readers aged 12 and up who enjoy atmospheric settings, sharp banter, and a protagonist who must navigate the complex moral landscape of her past and her new professional purpose.