The book "Investigation of childhood" by the author James Sully is a topical scientific work devoted to the study of children and childhood. The author examines the psychological, social and cultural aspects of childhood, paying attention to the influence of family, school and society on the formation of the personality of young people. The book contains many interesting examples and analyzes that help to understand the main theories and concepts of child development in the context of the modern world. "Childhood Studies" is an important book for anyone interested in childhood psychology and who wants to deepen their knowledge in this area.