Cognitive behavioural therapy (CBT) is a psychotherapeutic approach to solving problems concerning dysfunctional emotions, behaviours and cognitions through a goal-oriented, systematic procedure. It derives from theories of learning and memory. In this book, the study of the application, methods and outcomes of CBT are discussed. Topics include the school-based, cognitive-behavioural interventions of anxiety disorders, depression and obesity; cognitive processes in animals; CBT treatment of post traumatic stress disorder (PTSD) and CBT in ego-dystonicity and eating disorders.