Ladislas Farago, former chief of research and planning in the US Navy Special Warfare Unit and author of several books on espionage, offers a fascinating picture of the full range of covert activities, the various forms of intelligence of the secret services of the countries that participated in World War II. The actions of intelligence agents conducting intelligence operations resulted in victories or defeats that were often no less important than those achieved on the battlefield. In his research, Farago analyzes not only the actual events, but also the motives and actions of the people who took part in them. Here is a gallery of portraits of figures of various levels and significance, among them top officials of states, famous intelligence officers and unknown heroes.