"La Maternelle" by Leon Frappier is a famous French novel that tells the story of the life of a large factory and the workers who worked there. The author tries to give an in-depth analysis of the social problems faced by workers and their families in the conditions of industrialization. In addition, in the novel, Frappier adheres to high literary skill, using vivid language descriptions and developed characters, which makes the book interesting not only for lovers of literature, but also for those interested in the history of social relations. "La Maternelle" is a work that leaves a deep impression on the reader and encourages him to think about the essence of human existence and relationships between people.