Research interests: History of religions, Judaic studies. Books include: The Bodies of Nations: A Comparative Study of Religious Violence in Jerusalem and Ayodhya" with Roger Friedland (History of Religions, 1998); Changing Places: Jerusalem's Holy Places in Comparative Perspective with Roger Friedland (Israel Affairs, 1999); To Rule Jerusalem with Roger Friedland (2nd Revised Edition, 2000); Sacred Urbanism: Jerusalem’s Sacrality, Urban Sociology, and the History of Religions with Roger Friedland (2007).