Paul Jakov SmithPaul Jakov Smith is professor of history at Haverford College. He is the author of Taxing Heaven's Storehouse: Horses, Bureaucrats, and the Destruction of the Sichuan Tea Industry, 1074-1224 (Harvard University, Council on East Asian Studies, 991); coeditor of The Cambridge History of China, vol. 5.1: The Sung Dynasty and Its Precursors, 907-1279 (Cambridge University Press, 2009) and The Song-Yuan Transition in Chinese History (Harvard University Asia Center, 2003). Read More Read Less