A thrilling look into the work of the first central secret service of the U.S. Stuttgarter Nachrichten (of the German edition) This excellent book...is well translated and boasts impressive research...a fine job of telling the OSS story. Library Journal [Mauch] offers valuable information concerning the 'Sauerkrauts,' German POWs who volunteered to infiltrate German lines to spread defeatism amongWehrmacht units and the SS formations in northern Italy. This is a valuable addition for graduate students and professionals in the field. Recommended. Choice [Mauch] succeeds in transforming his meticulous archival research into a readable and thought provoking monograph. This volume will provide significant new data for scholars and laymen alike on the OSS and its 'shadow war' against the Nazis. Jewish Book World Mauch has not only written a superb account of OSS activities during the war, but he has also woven into his narrative the political, diplomatic, and military dynamics that framed key decisions... It is essential reading for students of intelligence and strategy alike and would make a fine addition to the professional library. -- Raymond Millen International History Review A valuable contribution to an understanding of the postwar world. -- Freie Universitat Berlin Journal of Military History The Shadow War Against Hitler is an excellent read. -- Mitchell McNaylor Military Review Christof Mauch's book... is a brilliant volume that expertly chronicles the epic saga of the OSS's robust intelligence warfare against the Third Reich, with vivid narratives and critical analysis skillfully intermingled throughout the text... This is a must read for anyone who studies America's war against Nazi Germany. -- Maochun Yu, United States Naval Academy American Historical Review The most authoritative single volume on the subject... Mauch brilliantly integrates both the research/analytical as well as operational histories of the OSS. -- Rorin M. Platt American Diplomacy.org A well-researched and balanced study. -- Steve Hewitt History: The Journal of the Historical Association Scholars of the Second World War should look to Mauch's work to provide a template for analysis of this important subject. -- Patricia Kollander H-Net