Passport to Treason is a non-fiction book written by Alan Hynd that delves into the world of espionage in America. The author provides an inside look into the lives of spies who have infiltrated the United States, including their motivations, methods, and the damage they have caused. The book covers a range of topics, such as the Soviet Union's efforts to obtain atomic secrets, the infiltration of American intelligence agencies by foreign spies, and...