If you suffer from depression you are far from alone. Depression is very common, affecting over 300 million people around the world. Written by Professor Paul Gilbert, internationally recognized for his work on depression, this highly acclaimed self-help book has been of benefit to thousands of people including sufferers, their friends and families, and those working in the medical profession. This fully revised third edition has been extensively updated and rewritten to reflect over ten years of new research on understanding and treating depression, particularly the importance of developing compassionate ways of thinking, behaving and feeling. It contains helpful case studies and new, easy-to-follow, step-by-step suggestions and exercises to help you understand your depression and lift your mood.