Presents pharmacology in the context of the behavioral disorders they are designed to treat, not necessarily by traditional drug classification. Students are familiar with the major diagnostic categories (affective disorders, psychoses, attention disorders, etc) so presenting pharmacology as it pertains to these familiar disorders strengthens their understanding of the physiology and neurochemistry underlying them as well as the approaches to their treatment.  Students in many applied fields need accessible information that can be built upon in professional programs as well as information that is both relevant and applicable immediately. This text provides both.