"The Source of Secret Information" is a book that immerses the reader in the fascinating world of intelligence and espionage. The author describes in detail the history of special services, agent work and methods of obtaining secret information. The reader will experience the atmosphere of spy games, intrigues and dangers that accompany professional agents. Each page of the book is filled with tension and mysteries that keep you in suspense until the last tape. "The source of secret information" is an exciting book that will leave you on the edge of the plot and reality, revealing secrets that you could not imagine.