This is a volume solely dedicated to the spying and espionage intrigues that occurred behind the public's back during the second World War. A half century after VJ-Day, this volume offers material never before shown to the public. Here is an encyclopedia with an A-to-Z listing of the secrets of World War II. It contains people, missions and events all related to intelligence operations during the war. Each section contains both historical information for that particular event, as well as how it affected the outcome of the war. Included are references to Allen Dulles, the Pearl Harbor attack, Richard Sorge, The Double Cross System, the OSS, the Cambridge Spies, Edward Layton, the Venona materials, the ULTRA Secret, William Donovan, and many more. Much of the information in this book was obtained by the author from recently declassified documents which he obtained from the National Archives, making this book full of secrets that are just now beginning to see the light of day.