Cho-yun Hsu, an internationally recognized authority on Chinese history, is University Professor Emeritus of the University of Pittsburgh. He earned his BA and MA from National Taiwan University and his Ph.D. from the University of Chicago. He has authored or coauthored numerous publications, including China: A New Cultural History (2012), Western Chou Civilization (1988), Han Agriculture: The Formation of the Early Chinese Agrarian Economy (1980), and Ancient China in Transition: An Analysis of Social Mobility (1965). Carissa Fletcher specializes in historical translation. She received an MA degree in Mandarin and English translation from the University of Nottingham Ningbo China