I very much enjoyed this entire book, but I must say I especially enjoyed the chapters about the Invasion of Poland. Poland is depicted as a weak and inept nation in virtually every histroy text except this one. In most books, you see the Polish fighting on horseback like a bunch of idiots. In Grandfather's Tale, the Polish have tanks, aircraft, anti-tank rifles, heavy machineguns and a very brave army which includes cavalry (which dismount and fight on foot, which they actually did).Little details like this are found throughout the book. Mines, for example, are described with painstaking detail. Several different types are used by different armies in Grandfather's Tale. Georg, the main character, eventually learns how to plant, use and even detect them with a rifle cleaning rod. He also has his men use them in ambushes during the later half of the book, where Germany is on the defensive.