Samuel C. Heilman, professor of sociology at Queens College and the Graduate Center of the City University of New York, is the author of A Walker in Jerusalem, The Gate Behind the Wall, The People of the Book, and Synagogue Life, the latter two of which are also published by the University of Chicago Press. Steven M. Cohen, professor of sociology at Queens College of the City University of New York, is the coauthor of numerous books and the author of American Assimilation or Jewish Revival?, American Modernity & Jewish Identity, and Interethnic Marriage and Friendship.