The Second World War spurred tense focus among industries of the world's powers. In the short span of six years, military aircraft developed from open-cockpit biplanes to fighters that soared to 40,000 feet and toyed with the sound barrier. Represented in this spendid volume are images of the war's 20 greatest aircraft - from the legendary Mustang, Spitfire, Flying Fortress, and Mitsubishi Zero, to lesser-known but equally awe-inspiring warbirds like...