Philadelphia became a battleground for spies as George Washington’s Patriot army in nearby Valley Forge struggled to survive the winter of 1776-77. In the centuries that followed—through the Civil War, the rise of fascism and communism in the twentieth century, and today’s fight against terrorism—the city has been home to international intrigue and some of America’s most celebrated spies. takes readers inside this shadowy world to reveal the places and people of Philadelphia’s hidden history. These fascinating entries portray details of stolen secrets, clandestine meetings, and covert communications through every era of American history. Along the way, readers will meet both heroes and villains whose daring deceptions helped shape the nation. Authors H. Keith Melton and Robert Wallace weave incredible true stories of courage and deceit that rival even the best spy fiction. Featuring over 150 spy sites in Philadelphia and its neighboring towns and counties, this illustrated guide invites readers to follow in the footsteps of moles and sleuths. Authoritative, entertaining, and informative, is a must-have guidebook to the espionage history of the region.