In 221 B.C. the First Emperor of Qin unified what would become the heart of a Chinese empire whose major features would endure for two millennia. In the first of a six-volume series on the history of imperial China, Lewis highlights the key challenges facing the court officials and scholars who set about governing an empire of such scale and diversity.
"The Mongol takeover in the 1270s changed the course of Chinese history. The Confucian empire—a millennium and a half in the making—was suddenly thrust under foreign occupation. What China had been before its reunification as the Yuan dynasty in 1279 was no longer what it would be in the future. Four centuries later, another wave of steppe invaders would replace the Ming dynasty with yet an…