The second volume of Erich Ludendorff's memoirs of World War I begins with the Entente Offensive of early 1917, and concludes with the armistice which marked the end of the horrific conflict. By the later stages of the war, several new technologies plus the United States joining the Entente Cordial shifted the balance. Tanks were seen in far greater numbers than before, German submarines were deployed en masse, while poison...