A comprehensive two-volume overview and analysis of all facets of espionage in the American historical experience, focusing on key individuals and technologies.

The encyclopedia includes hundreds of entries in chronologically organized sections that cover espionage by and within the United States from colonial times to

The CIA’s 2013 release of its book The Central Intelligence Agency and Overhead Reconnaissance 1954–1974 is a fascinating and important historical document.

This book is based on the unprecedented declassification of thousands of US intelligence files.