Packed with rich detail and analysis of what often transpired when merchant ships were sunk by U-boats, this dramatic book highlights the hazards of World War II at sea. At its center, James P. Duffy relates the story of the sinking of the British liner Laconia by the German U-boat U-156. On September 12, 1942, as Laconia sailed crowded with 1,800 Italian prisoners of war, 103 Polish soldiers, 286 mostly severely wounded...