Effective belief formulation and change is imperative in cognitive therapy for a wide range of emotional problems and personality disorders, but no other book focuses on this topic. * Includes practical techniques and case studies * Adrian Wells has a very high reputation in the field * Cuts across diagnostic categories, not specific to one client group * Central topic in training/practice of mental health practitioners

Hans Nordahl is Professor in Clinical Psychology at the Department of Psychology, Norwegian University of Science and Technology (NUST) in Trondheim. He is the former president of the Norwegian Association for Cognitive Therapy. Adrian Wells has an international reputation for his work in the field of anxiety disorders and is a pioneer of metacognitive theory and therapy. He is a Reader in Clinical Psychology at the University of Manchester and a Consultant Clinical Psychologist. He is also a Professor at the NUST, Norway. Adrian has written 3 books for Wiley, the most popular being Cognitive Therapy for Anxiety Disorders, which has sold over 11,500 copies.