The book, now in its second edition and updated for version 3.X, has been compiled by a new author team led by Prof. Wenzel. It offers practice-oriented expert essays and project descriptions based on concrete project experience with SAP R/3. It showcases solutions and trends that are practically applicable across various business sectors and industries. The contributions come from experienced practitioners, managers, and university lecturers who possess many years of expertise in dealing with business application software. The topics include issues related to R/3 migration, improving decision support, industry solutions for automotive suppliers or consumer goods distribution, the application of the R/3 consolidation module, and training with SAP R/3. The book aims to be ultimately manufacturer-neutral.