Who spies?; what do spies do?; spies of the future. Famous spying operations: early espionage - court intrigues, American Civil War, World War 1, revolutionary Russia; World War II - Special Operations Executive, Office of Strategic Services, German secret services, code-breaking, Soviet spy networks, Japanese intelligence; Cold War - Berlin - spy city, US security agencies, codename Anna, house of spies, U-2 spy aircraft, Walker spy ring, East German foreign intelligence, spying from space; post-Cold War spying - Russian foreign intelligence, Hanssen spy case, counterterrorism, digital espionage. Equipment and techniques: cameras - concealed cameras, robot camera, F21 concealed camera, subminiature cameras, Minox cameras, copy cameras; secret operations: visual surveillance, listening devices, receivers, surreptitious entry, lockpicks, escape and evasion, sabotage, amphibious sabotage; counterintelligence - detectors, anti-bugging devices, countersurveillance, letter interception; clandestine communications - suitcase radios, agents' radios, specialized communications, cipher devices, Enigma machine, ciphers and secret writing, microdots, concealments, dead drops; weapons - special issue weapons, silenced weapons, crossbows and darts, close-combat weapons, concealed weapons, assassination devices. How to be a spy: training and recruitment; covers and legends; spy networks; fate of a spy.