"A historical account of espionage during World War II, including famous spies such as Eddie Chapman, covert missions, and technologies that influenced the course of the conflict"--
"A historical account of espionage during the Revolutionary War, including famous spies such as Nathan Hale, covert missions, and technologies that influenced the course of the conflict"--
"A historical account of espionage during World War I, including famous spies such as Mata Hari, covert missions, and technologies that influenced the course of the conflict"--
"A historical account of espionage during the American Civil War, including famous spies such as Elizabeth Van Lew, covert missions, and technologies that influenced the course of the conflict"--