This textbook and workbook vividly and practically conveys the fundamental understanding of controlling information systems using the example of the fictional companies Campus Bicycle Allround GmbH and IDES. The exemplary practical application of selected real existing controlling information systems demonstrates potential benefits and opportunities, as well as possible risks for companies. The typical controlling workday in different system environments is compared, and numerous case studies deepen the insight into and understanding of system-based corporate planning and control.