Thousands of practitioners and students have relied on this handbook, now thoroughly revised, for authoritative information on the links between psychological and medical issues from infancy through adolescence. Sponsored by the Society of Pediatric Psychology, the volume explores psychosocial aspects of specific medical problems, as well as issues in managing developmental and behavioral concerns that are frequently seen in pediatric settings. The book describes best practices in training and service delivery and presents evidence-based approaches to intervention with children and families. All chapters have been rigorously peer reviewed by experts in the field. New to This Edition: *Chapters on rural health, the transition to adult medical care, prevention, and disorders of sex development. *Expanded coverage of epigenetics, eHealth applications, cultural and ethnic diversity, spina bifida, and epilepsy. *Many new authors; extensively revised with the latest with the latest information on clinical populations, research methods, and interventions. *Chapters on training and professional competencies, and quality improvement and cost-effectiveness, and international collaborations. See also Clinical Practice of Pediatric Psychology, edited by Michael C. Roberts, Brandon S. Aylward, and Yelena P. Wu, which uses rich case material to illustrate intervention techniques.