"Boy Labor and Training in Workplaces: From the 18th to the Early 20th Century" is a research work by the famous historian Reginald Arthur Bray that reveals the problem of labor exploitation of children and adolescents in Great Britain from the 18th to the early 20th century. The author investigates the conditions in which minors worked, their rights, and how these practices lead to tragic consequences for the health and mental state of children. This book is an important source for understanding the history of labor relations and social issues related to youth work.