You know the history. Now you'll know the secret history.
Uncover the stories behind famous men and women considered above suspicion—and doubly effective as spies.
Be surprised by spymasters from Moses to Harriet Tubman, Elizabeth I to George Washington, Cardinal Richelieu to Joseph Stalin; all relied on intelligence to be effective leaders. Track today's technology back to its sources.
Learn about the earliest codes—who made and broke them.