From Sarah Ferguson, the Duchess of York, a sweeping, romantic compulsively readable historical saga about a Duke's daughter-the perfect Victorian lady-who secretly moonlights as an amateur sleuth for high society's inner circle.

Victorian London was notorious for its pickpockets. But in the country houses of the elite, gentleman burglars, art thieves and con men preyed on the rich and titled. Wealthy victims-with their pride and reputation at stake-would never go to the police. What they needed was a society insider, one of their own, a person of discretion and...