Anxiety disorders constitute an enormous mental health problem within society. Sufferers are often misdiagnosed, neglected or when properly diagnosed find that inadequate supports are available. The purpose of this little book is to look at three specific types of anxiety disorder, namely panic disorder, generalized anxiety disorder and phobia and discuss causes and treatment modalities. The approach is comprehensive and eclectic, and provides for the reader a concise presentation of the most established research. It is hoped that not only the sufferer will find this handbook useful but also the mental health clinician as it documents research findings which provide insights into why anxiety disorders occur and what it is that makes certain individuals predisposed to developing the condition. This is a comprehensive review of anxiety disorder 'in a nutshell' and will help the sufferer and their families and friends understand why panic attacks and phobias occur and what can be done about them.