This volume provides a state-of-the-science review of current knowledge on bipolar disorder in children. The first comprehensive text of its kind, the book covers all aspects of theory, research, and practice in this rapidly growing area. Leading clinical researchers address such topics as epidemiology, diagnosis and assessment, comorbidity, and outcomes. A range of different treatment approaches are described and evaluated, including pharmacotherapy, psychotherapy, and family-based psychoeducation and support. Compelling findings are also presented on the neurobiological and genetic bases of the disorder. Throughout, the book identifies promising directions for future investigation while weighing in on key methodological questions and areas of controversy.