A spy in the house (The Agency #1)

Firefly & Fern Summary

A Spy in the House follows Mary, a clever orphan girl recruited by a secret detective agency to go undercover as a servant in a wealthy London household. Set in Victorian England, this first book in The Agency series combines historical intrigue, clever mystery-solving, and themes of independence as Mary uses her wits to uncover deception while navigating the challenges of her double life. Readers will love the intelligent protagonist, the atmospheric historical setting, and the exciting blend of detective work and danger.