At the periphery of the Chinese empire, a group of innovative entrepreneurs built companies that dominated the Chinese salt trade and created thousands of jobs in the Sichuan region. From its dramatic expansion in the early nineteenth century to its decline on the eve of the Sino-Japanese War in the late 1930s, salt production in Zigong was one of the largest and one of the only indigenous large-scale industries in China. Madeleine Zelin recounts...