A reinterpretation of the British Army's conduct in the crucial 1944-45 Northwest Europe campaign, this work examines systematically the Colossal Cracks operational technique employed by Montgomery's Anglo-Canadian 21st Army Group and demonstrates the key significance that morale and casualty concerns exerted on this technique. To ensure a full understanding of the campaign, one needs to look not only at Montgomery's methods but at those of his army commanders, Dempsey and Crerar; thus, this study addresses the scant attention to date paid to these two figures. Hart suggests that...