Alastair Iain Johnston is the Laine Professor of China in World Affairs in the Government Department at Harvard University. He is the author of Cultural Realism: Strategic Culture and Grand Strategy in Chinese History (1995) and Social States: China in International Institutions, 1980 2000 (2008), and co-editor of Engaging China: The Management of an Emerging Power (1999), New Directions in the Study of China's Foreign Policy (2006), and Crafting Cooperation: Regional Institutions in Comparative Perspective (2007).