Despite the apparent universality of loneliness and its link to psychosocial maladjustment, research on loneliness has emerged rather recently in the history of psychology. This book brings together varied theories and lines of research on loneliness among children and adolescents to provide a source for future research. The chapters are: (1) "Childhood and Adolescent Loneliness: An Introduction" (Ken J. Rotenberg); (2) "The Conceptualization and Measurement of Childhood Loneliness" (Beverley Terrell-Deutsch); (3) "Understanding the Origins of Childhood Loneliness: Contributions of Attachment Theory" (Jude Cassidy and Lisa J. Berlin); (4) "Developmental Change in the Sources of Loneliness in Childhood and Adolescence: Constructing a Theoretical Model" (Jennifer T. Parkhurst and Andrea Hopmeyer); (5) "Loneliness through the Eyes of Children" (Shelley Hymel, Donato Tarulli, Laura Hayden Thomson, and Beverley Terrell-Deutsch); (6) "Loneliness during Early Childhood: The Role of Interpersonal Behaviors and Relationships" (Kim B. Burgess, Gary W. Ladd, Becky J. Kochenderfer, Sharon F. Lambert, and Sondra H. Birch); (7) "Connections among Loneliness, the Ability To Be Alone, and Peers Relationships in Young Children" (Lise M. Youngblade, Lisa J. Berlin, and Jay Belsky); (8) "A Social-Information-Processing Approach to Children's Loneliness" (Nicki R. Crick, Jennifer K. Grotpeter, and Carol M. Rockhill); (9) "Parental Antecedents of Children's Loneliness" (Ken J. Rotenberg); (10) "Dimensions of Children's Friendship Adjustment: Implications for Understanding Loneliness" (Jeffrey G. Parker, Jill L. Saxon, Steven R. Asher, and Donna M. Kovacs); (11) "Adolescent Loneliness, Self-Reflection, and Identity: From Individual Differences to Developmental Processes" (Luc Goossens and Alfons Marcoen); (12) "The Uses of Loneliness in Adolescence" (Reed W. Larson); (13) "Social Self-Discrepancy Theory and Loneliness during Childhood and Adolescence" (Janis B. Kupersmidt, Kathy B. Sigda, Constantine Sedikides, and Mary Ellen Voegler); (14) "Self, Other, and Loneliness from a Developmental Perspective" (Lorrie K. Sippola and William M. Bukowski); (15) "Adolescent Loneliness and Adjustment: A Focus on Gender Differences" (Linda J. Koenig and Robin F. Abrams); and (16) "Examination of Loneliness in Children- Adolescents and in Adults: Two Solitudes or Unified Enterprise?" (Daniel Perlman and Monica A. Landolt). Contains 759 references. (KB)