""Expose of Soviet Espionage"" is a book written by J. Edgar Hoover, the former director of the Federal Bureau of Investigation (FBI), in May 1960. The book is a detailed account of the FBI's efforts to uncover Soviet espionage in the United States during the Cold War. Hoover provides a comprehensive overview of the techniques used by Soviet spies, including their use of code names, invisible ink, and dead drops. He also describes the FBI's successful...