In his book A.A. Kirichenko talks about the long-term rivalry between the intelligence services of Japan and the Soviet Union. On the pages of the book, the reader will find interesting details about Japanese intelligence officers, the struggle of intelligence services, methods of recruiting agents, Soviet defectors and Japanese prisoners of war, the author also writes about such famous persons as Ataman G.M. Semenov and R. Sorge. The book will be of interest not only to fans of the history of intelligence services, but also to those interested in the history of Russian-Japanese relations.