The familiar image of the British in the Second World War is that of the plucky underdog taking on German might. David Edgerton's bold, compelling new history shows the conflict in a new light, with Britain as a very wealthy country, formidable in arms, ruthless in pursuit of its interests, and in command of a global production system. Rather than belittled by a Nazi behemoth, Britain arguably had the world's most advanced mechanized forces. It had...