Many founders start a business without any prior knowledge of economics. Although they usually have a high level of practical knowledge and great motivation, a lack of economic experience often thwarts their potential success. This requires a change in self-image from idealistic founder to expert manager. Reading this volume will help to pave the way. It presents the essential contents of entrepreneurship in a practical and clear manner. This volume concentrates on the basic business knowledge relevant to entrepreneurship with a scientific foundation and a high level of implementation competence. Many examples, illustrations, concrete tips etc. support the explanations. Due to the international nature of this business sector, the text is written in English. All this distinguishes this volume from numerous other publications in the genre and makes it unique on the market as a problem solver.