Sponsored by the American Academy of Political and Social Science William Julius Wilson is a leader in the study of the urban underclass. His controversial thesis states that the fragmentation of the black community along class lines has resulted in a group of blacks who have left the inner city for middle-class suburban life, leaving behind the ghetto underclass of very disadvantaged poor. This thesis has had an enormous impact on the study of urban life, race, and society. Originally published as a special issue of the Annals of the American Academy of Political and Social Science, The Ghetto Underclass addresses questions from theoretical, empirical, and policy perspectives. Wilson and other leading social scientists cover demographic and industrial transitions, family patterns, sexual behavior, immigration, and homelessness of the urban underclass. Wilson's introduction updates recent work on this topic since publication of the Annals issue. The Ghetto Underclass should be read by all students and professionals of urban studies, ethnic studies, sociology, policy studies, political science, social work, social welfare, and education.