Book excerpt: At a time of major transformations in the conditions and self-conceptions of cultural history and ethnological museums worldwide, it has become increasingly important for these museums to engage in cooperative projects. This book brings together insights and analyses of a wide variety of approaches to museum cooperation from different expert perspectives. Featuring a variety of African and European points of view and providing detailed empirical evidence, it establishes a new field of museological study and provides some suggestions for future museum practice.