The secret world of spies

Examines the technological advances in the field of spying. Features easy-to-follow text, color photographs, a glossary, and an index.

Explores the work of spies, double agents, and traitors, detailing the tools and techniques they use to complete their jobs. Spotlights various spies and double agents throughout history and includes full-color photographs, a glossary, and further reading sources.

Examines a variety of spy agencies and individuals who were a part of them. Features easy-to-follow text, color photographs, a glossary, and an index.