This compact textbook introduces the fundamentals of organizational science. The interdisciplinary approach addresses sociological, economic, and psychological as well as educational insights related to the subject of organization. It begins with an analysis of the function of organizations in modern societies and presents the development of the idea and theory of organization. The central design parameters such as structures, processes, and projects are discussed in detail in the main section. A unique aspect is the examination of the change perspective through change agents in the concluding part of the textbook. Numerous exercises and case studies convey the content in context and help transfer the learned material to practical situations.