This is a story of triumph disaster & eventual survival ' against all odds. Herbert Werner was one of the few U-boat commanders whose skill daring & incredible luck saw him safely through to the end of the war. His is an epic & chilling description of the fearful havoc wrought by one small U-boat on the Atlantic convoys. But easy success ebbed away in the face of ever-improving Allied detection & attack techniques. The hunters became the prey to suffer appalling losses. Of 842 U-boats launched 779 were sunk 'iron-coffins' to 28 000 men. Herbert Werner's graphic account of war waged from beneath the sea of horror & cold cruel death is dedicated to the seamen of all nations who died in the Battle of the Atlantic.