The Psychology of Spies and Spying tells the story of the people involved in spying: the human sources (agents) who betray their country or organisation and the

From the former director of GCHQ, learn the methodology used by British intelligence agencies to reach judgements, establish the right level of confidence and a

Intelligence activities have always been an integral part of statecraft. Ancient governments, like modern ones, realized that to keep their borders safe, contro

A riveting account of espionage for the digital age, from one of America’s leading intelligence experts Spying has never been more ubiquitous—or less unders

NEW YORK TIMES BESTSELLER • The celebrated author of Double Cross and Rogue Heroes returns with a thrilling Americans-era tale of Oleg Gordievsky, the Russian