This book explains how to set up adolescent groups, details core teaching procedures, and gives detailed instructions for teaching 50 prosocial skills essential for adolescents to learn. Skills are grouped in six categories: Beginning Social Skills, Advanced Social Skills, Skills for Dealing with Feelings, Skill Alternatives to Aggression, Skills for Dealing with Stress, and Planning Skills. Includes skill outlines with leader guidelines and homework reports for each skill, as well as reproducible assessment forms, checklists, and other student handouts. CD with printable forms is included.