The Traitor in the Tunnel

Queen Victoria calls upon the Agency to investigate a petty thief operating within Buckingham Palace, and they assign Mary Quinn, on her first case as a full-fledged agent, to go undercover as a domestic servant. While at the Palace, Mary must navigate the attentions of the Prince of Wales while investigating both the thefts and a murder that the prince witnessed at the Tower of London. Set in Victorian England, the novel follows Mary Quinn as she uses her quick wit and investigative skills to solve the mystery.