[Machine Translation] After World War I, Germany and the Soviet Union, which had entered into a secret military alliance, eventually clashed as if by fate under the leadership of two dictators, Hitler and Stalin. How was "Operation Barbarossa," the largest land battle in history, prepared, fought, and why did it fail? This book brings to light the reality of the war between Germany and the Soviet Union from new perspectives, and makes the reader question the causes of the defeat of this operation.