The German invasion of Poland on 1 September 1939 marked the start of WW2 in Europe, pitting the newly modernised army and air force of Europe's greatest industrial power against the much smaller Polish defences and introducing the world to a new style of warfare - Blitzkrieg. Panzer divisions spearheaded the German assault, with Stuka dive-bombers prowling ahead spreading terror and mayhem. This book demonstrates how the Polish army was not as backward as it is often portrayed, and fielded a tank force larger than that of the contemporary US Army. Its stubborn defence did give the Germans some surprises and German casualties were relatively heavy for such a short campaign...