George Washington's Spies: The Culper Ring, Nathan Hale, and the Plot to Capture Benedict Arnold

Spycraft was seen as a treacherous craft, but it was necessary to win a war. Washington knew this, as his early attempts to gather intelligence on British-occupied New York led to an execution of Nathan Hale, a young school teacher. More sophisticated networks developed, particularly the Culper Spy ring, which involved a farmer, a whaleboat captain, a tavern owner, and a slave.