The treatment described in this Therapist Guide is teen-friendly patient workbook to be used along with the Riding the Wave Therapist Guide for the effective treatment of panic disorder and agoraphobia in adolescence. Panic disorder often first appears in adolescence, making effective treatment for this age group a priority. Left untreated, panic disorder can severely impair an adolescent's development and functioning. It can put an adolescent at risk for depression and have consequences into adulthood. The program was developed at the Center for Anxiety and Related Disorders at Boston Univers