"The Mask of Sanity" by Harvey Cleckley is a first printing paperback published in 1982. The book delves into the topic of medical psychology, specifically exploring the concept of the "mask of sanity" in psychological evaluations. Written by the renowned author Cleckley, this first edition collectible provides valuable insights into the complexities of human behavior and mental health. Ideal for collectors and those interested in psychology, this book offers a unique perspective on the subtle nuances of sanity and madness.