The enduring appeal of spies and their technology, codes and mysterious ways are explored in this engaging series of four colorful books. Each explores a different aspect of the spy trade, interspersing historical tidbits with tales of spies from popular culture and contemporary movies. Other titles in this series include: Codes and Ciphers, Secret Agents, and Spy School. Top Technology delves into the super-cool world of gadgets, revealing the amazing cameras, satellites, lie detectors and weapons available to the spy trade. It also discusses phone taps, bugs, lock picks, poisons and sabotage.