About the book: 2020 / Memoirs of Max Ronge, an Austrian officer, the last head of the intelligence department of the General Staff of the Austro-Hungarian Army, a high-class professional intelligence officer, are A unique work on the history of international espionage. Using a wealth of factual material, the author explains the goals and objectives of espionage, introduces the theory and practice of espionage sabotage activities of intelligence agencies, reveals their structure and technology of everyday service. Along with the description and analysis of military and political events, Ronge presents the most striking episodes of the work of Austrian counterintelligence, such as the exposure of Welkerling, Redl and many others. Maps, diagrams and photographic materials complement and clarify the narrative.