It has generally been assumed by historians of the Second World War that the Americans were caught completely unawares by the last great German Offensive - the drive into the Ardennes in December, 1944, known as the Battle of the Bulge. In this remarkable reappraisal, best-selling military historian Charles Whiting argues that the answer is very probably that they were not. So the author raises yet another question: Was somebody trying to cover something up and if so why?