Spies Spying Author:Clive Gifford From ancient times to the present day, espionage has been used alongside more conventional methods of warfare as a way of gaining the upper hand over an enemy. Spies and Spying is an entertaining and information-packed guide to the art and craft of espionage. · CRACK the Enigma Code · LEARN basic spying techniques ·... more » READ about the code breakers · FIND OUT how spies are recruited · INVESTIGATE the atomic spy ring · EXPLORE the art of surveillance.« less