Book excerpt: A Textbook of Biological Psychiatry integrates the basic science concerning brain mechanisms of psychiatric disorders alongside surveys of present standard clinical treatment. Organized in a coherent and easy to follow structure, chapters expand across different levels of analysis, from basic mechanisms to clinical practice. This comprehensive reference provides an integrative treatment of the biochemistry of neurotransmission, behavioral pharmacology, and clinical aspects of psychiatric problems including depression, manic-depression, and mood disorders. Other chapters address the biological mechanisms and treatment of depression, anxiety, panic, obsessive-compulsive disorder, and addictions. The editor concludes with a perspective on the future of the field and prospects for understanding and effectively treating mood and anxiety disorders.