The confrontational course on which China and Japan are set is no simple spat between neighbors: the United States would be involved on the side of Japan in any military conflict between the two countries. The fallout would be an economic tsunami, affecting manufacturing centers, trade routes, and political capitals on every continent. Richard McGregor’s book takes us behind the headlines of his years reporting as the Financial Times’s Beijing and Washington bureau chief to show how American power will stand or fall on its ability to hold its ground in Asia.