This text investigates the core mechanisms of psychological dysfunction and the theoretical frameworks used to classify and treat abnormal behavior. Sheldon Cashdan, a professor of psychology, synthesizes clinical research and historical perspectives to provide a comprehensive overview of the field. The book utilizes a structural approach to examine the etiology of various disorders, emphasizing the interplay between biological, psychological, and environmental factors.

This text is widely recognized as a foundational resource for undergraduate students entering the field of psychology. Experts note that the prose is accessible yet rigorous, providing a clear entry point into complex clinical concepts.