Born in the early Meiji period, the Imperial Japanese Army became powerful after the Sino-Japanese and Russo-Japanese Wars, entered the Pacific War (Greater East Asia War), and finally perished after a fierce battle. This book explains the Imperial Army from various angles, both hardware and software. Military organization and formation of each unit, weapons such as firearms, artillery, tanks, aircraft, boats, military uniforms and personal equipment of officers and men, manuals for combat, biographies of famous soldiers, and Seinan. Beginning with the war, through the Sino-Japanese War, the Russo-Japanese War, the Sino-Japanese War, the Nomonhan Incident, and the defeat of the Pacific War, the war history of more than 70 years will be covered in detail. Compared to the Imperial Navy, the Imperial Army is a bit plainer, but if you don't know the Army, you can't talk about the Pacific War. Full of visual elements such as weapon illustrations, weapons and military equipment illustrations, battle situation diagrams, organization diagrams, etc., it is a book that allows you to visually understand the Imperial Army.