This new comprehensive two-volume set provides understandable yet detailed information on mental disorders and conditions. Featuring an easy-to-use format and written in understandable language, the "Encyclopedia includes entries for all 150 disorders classified in the Diagnostic and Statistical Manual of Mental Disorders, text revision (DSM-IV-TR). It also features entries for prescription, alternative and over-the-counter drugs, as well as the various therapies used to treat mental disorders.