Spies in the Continental Capital: Espionage Across Pennsylvania During the American Revolution
John A. Nagy is   scholar-in-residence at St. Francis University, Pennsylvania, and an  expert on  eighteenth-century documents and espionage. He is author ofRebellion in the  Ranks: Mutinies of the American RevolutionandInvisible Ink: Spycraft  of the American Revolution, also available from Westholme Publishing.