Presenting a fresh approach to child and adolescent therapy, this book identifies five principles at the heart of the most potent evidence-based treatments--and shows how to apply them. Clinicians learn efficient, engaging ways to teach the skills of Feeling Calm, Increasing Motivation, Repairing Thoughts, Solving Problems, and Trying the Opposite (FIRST) to 5- to 15-year-olds and their parents. FIRST principles can be used flexibly and strategically...