This fully revised and updated edition of a best-selling classic offers the latest research and treatment methods - including cutting-edge acceptance-based strategies from a cognitive behavioural perspective, as well as the latest on medications - for readers who dread making mistakes and feel that nothing they do is quite good enough to help them overcome their need to be perfect. This book explores the nature of perfectionism and offers a step-by-step program of cognitive-behavioural and acceptance-based strategies from a cognitive behavioural perspective to overcome the problem. It includes an explanation of the causes and characteristics of perfectionism and shows you how to assess the impact that it has on your life. The book offers tips on dealing with others who are perfectionists. Exercises help challenge unrealistic expectations and work on specific areas where perfectionism is a problem.