Presents the history of the relationship between Nazi Germany's espionage service, the Abwehr, and the American CIA's predecessor, the OSS. This book provides revelations, such as: FDR's astounding late 1930s and early 1940s approach to Hitler; on-the-ground details of spy-ridden Instanbul and Lisbon; and others.

"Alliance of Enemies" tells the thrilling history of the relationship between Nazi Germany's espionage service, the Abwehr, and the American CIA's predecessor, the OSS. Revelations include: FDR's astounding late 1930s and early 1940s approach to Hitler; on-the-ground details of spy-ridden Instanbul and Lisbon; the intricate and vast scope of the German resistance's attempts at peace; and, new details on German resistance attempts to assassinate Hitler. "Alliance of Enemies" airs many new names, instances of contact, and incredible wartime plots. Using previously classified WWII files, von Hassell has written a book that fills a huge void in our knowledge of the hidden wars behind World War II.