This volume brings together in interdisciplinary set of social scientists who are pioneering ways to research and theorize the connections between personal and social identity in children, adolescents and emerging adults. The authors of the seven chapters address the volume's three goals: Illustrating how theory and research in identity development are enriched by an interdisciplinary approach Providing a rich developmental picture of personal and social identity development Examining the connections among multiple identities Several chapters provide practical suggestions for individual, agencies, and schools and universities that work with children, adolescent, and emerging adult in diverse communities across the United States. This is the 120th volume of the Jossey-Bass quarterly report series New Directions for Child and Adolescent Development . The mission of New Directions for Child and Adolescent Development is to provide scientific and scholarly presentations on cutting edge issues and concepts in the field of child and adolescent development. Each volume focuses on a specific "new direction" or research topic, and is edited by an expert or experts on that topic.