Cooperation pays off. This study guide offers a clear introduction into central terminologies and theoretical models of cooperation management within professional development. It shows the practical dimension of cooperation and discusses the understanding of roles, the allocation of tasks as well as legal issues and strategies for the resolution of conflicts. The book provides the reader with elementary tools for the management of successful cooperation.The readers- receive an overview of the historical development of cooperation thoughts,- are initiated in the types of cross-organisational and cross-sector cooperation of further development institutions,- get to learn about the organisational-strategic importance of cooperation,- gain an insight into exemplary processes and tools of cooperation management.Further reflection questions and pedagogically prepared bonus material are available for download free of charge.