The book "Mental Illness: A Public Health Problem" is the result of a long-term study by the famous psychologist and scientist James Vance May. In his work, the author deeply examines the impact of various mental illnesses on society and offers modern approaches to their prevention and treatment. The book examines not only the clinical aspects of various mental disorders, but also their social consequences and impact on the general state of public health. The author proves the importance of mental health for the stability and development of society, and also initiates a dialogue about the need to improve the system of assistance to people with mental illnesses. "Mental Illness: A Public Health Problem" will be a useful guide for specialists in the field of medicine, psychology, as well as for a wide range of readers who are interested in issues of mental health and its impact on society.