The book "Philosophy of Development" offers a comprehensive examination of development theory at the intersection of philosophy, psychology, and education. It features a unique combination that includes both a broad overview of contemporary development theories and detailed discussions on central issues. The aim is to create a general framework that facilitates the understanding and analysis of theories of individual and collective development across various fields, including cognitive and moral development as well as artistic developments. The close relationship between conceptual development and education is particularly emphasized, making the book a valuable resource for professionals and students in these disciplines.