"Discusses double agents and traitors throughout history, such as Benedict Arnold, Dusan Popov, Kim Philby, and Robert Hanssen, and includes information on becoming a spy catcher (counterintelligence agent)"--
"Examines spy agencies in the United States and around the world, including the founding of these agencies, how they work, who works for them, and looks at specific agencies, such as the CIA, MI5, KGB, and BND"--Provided by publisher.
"Discusses different methods of secret communications used by spies, such as Morse code, the Enigma machine, the Najavo language, and digital steganography, and includes career information"--Provided by publisher.
"Discusses different technologies used by spies, such as satellites, lasers, robots, drones, and computer software, and includes career information"--Provided by publisher.