Positive Psychotherapy provides therapists with a session-by-session therapeutic approach based on the principles of positive psychology, a burgeoning area of study examining the conditions and processes that enable individuals, communities, and institutions to flourish. This clinician's manual begins with an overview of the theoretical framework for positive psychotherapy, exploring character strengths and positive psychology practices, processes, andmechanisms of change. The second half of the book is contains 15 positive psychotherapy sessions, each complete with core concepts, guidelines, skills, and worksheets for practicing skills learned in session.