One of the most frequent requests I receive from graduate students is for references on how to formulate a complex clinical case. Typically, after reading the recommended materials, the student returns to request more detailed accounts of how clinicians "think" about particular cases. The general lack of such materials in the behavior therapy Iiterature led to the formation of the present volume. Throughout much of the behavior therapy literature, one gets the impression that most cases seen present circumscribed and straight fmward psychological problems. In my experience, such cases are...