In this book, Richardson crosses disciplinary boundaries to examine mental hygiene issues of contemporary concern in both the United States and Canada. The work juxtaposes a social history of the child in the twentieth century to shifts in private and public power as influenced by the mental hygiene movements in both countries. The author shows how the historical record sheds light on current policy concerned with mentally, emotionally, and educationally handicapped children. As a sociology of mental illness, the book examines the relationship between mental hygiene as a form of knowledge and the social institutions that fostered the use of psychiatric perspectives concerning child and family life. Significant topics covered in this regard include the history of early childhood and parent education, the origins of child psychiatry in treating juvenile delinquency, and the evolution of contemporary concepts of normal development.