This book has been prepared in book form from a review

and consists of three books and a dictionary.

His first book is on espionage methods, the theory and practice of espionage (intelligence) in Ancient China and consists of an introduction and several topics on espionage, secrecy and counterintelligence methods, covert operations and psychological warfare, theories of evaluation and espionage, personality, implementation of the espionage process, signs of a failed state, military and field espionage.

The second book discusses intelligence, from secrecy to politics, and includes an introduction and several topics: what is intelligence, the development of US intelligence agencies, the intelligence process, who does what for whom?, information gathering and regulations, interpretation, counterintelligence, covert action, the role of politicians, oversight and accountability, the intelligence program, the question of intelligence practices, and foreign intelligence agencies.

His third book is about the art of espionage, consisting of a preface and several topics: who spies? Famous espionage activities, American security agencies, Moscow is a city of spies, sabotage, means of concealing messages, secret meeting places, weapons, how to spot a spies, and the fate of a spies.