The combined British Expeditionary Force and American II Corps successfully pierced the Hindenburg Line during the Hundred Days Campaign of World War I, an offensive that hastened the war s end. Yet despite the importance of this effort, the training and operation of II Corps has received scant attention from historians.

Mitchell A. Yockelson delivers a comprehensive study of the first time American and British soldiers fought together as a coalition force more than twenty years before D-Day. He follows the two divisions that constituted II Corps, the 27th and 30th, from the training...