This book is the result of many years of research and clinical practice. Her appearance on the light is made possible through the efforts of many, many people - clinicians, researchers and patients. Paying tribute to the contribution of individuals, I suppose also, that in itself cognitive therapy is a reflection of the changes that have for many years taken place in the field of behavioral sciences and only took shape in the leading trend in recent years. However, we can not accurately assess the role played by the so-called "cognitive revolution in psychology" in the development of cognitive therapy.