This three-volume set is a comprehensive guide for those in their teenage years along with anyone who wants to learn more about the crucial development of adolescents.

This updated second edition includes over 500 articles. All entries have been reviewed by our team of medical experts to ensure that the most up-to-date information on health issues affecting adolescents is included. Dozens of new entries have also been added to the set. Essays range from one to eight pages and address health issues, mental health, relationships, social issues, and so much more.