This book investigates the nature of clinical delusion by examining the intersection of psychological pathology, cultural context, and moral philosophy. Jennifer Radden, a philosopher specializing in the philosophy of psychiatry, utilizes a multidisciplinary framework to challenge the traditional view of delusions as purely irrational or biological malfunctions. By integrating clinical case studies with historical and sociological analysis, she argues that the meaning of a delusion is often inextricably linked to the social and ideological environment in which it occurs.

Experts in the philosophy of psychiatry frequently cite this work for its nuanced approach to distinguishing between pathological belief and cultural expression. Readers often note the academic density of the prose, which requires a foundational understanding of both clinical psychology and philosophical inquiry.