This book looks at the development of the Panzer concept, and the building and deployment of the Corps through the eyes of those who fought in it, and of those who fought against it. It tells the story of the singular breed of men who formed the spearhead of the world's most ruthless and efficient military machine, and how they ultimately came to be defeated. Hitler's masterplan for the conquest of Europe - Blitzkrieg - wreaking havoc on Poland.