By early December 1941, war and genocide had changed Europe beyond recognition. Nazi Germany had occupied most of the continent and opened concentration camps, while millions of soldiers had died on the front. In Asia, the outbreak of the Second Sino-Japanese War had turned mainland China into a battleground and the Pacific Islands into an armed camp. Still, these far-off conflicts were not yet inextricably linked, and the greatest power the world had yet seen, the United States, was at peace. Hitler's American Gamble explores the five critical days that changed everything: December 7th-11th, from Japan's attack on Pearl Harbor to Hitler's declaration of war on the United States.