The textbook "Fundamentals of Cost Law - RVG" by Michael Scherer offers a comprehensive and pedagogically prepared introduction to the reformed cost law according to the Cost Law Amendment Act 2021 (KostRÄG 2021). It is aimed at lawyers and their trainees who wish to familiarize themselves with the complex topics of cost law. The 19th edition of the book is fully updated and takes into account the latest developments in case law as well as all relevant changes in fee and cost law. The clear structure and practical exercises facilitate an effective introduction to the fundamentals of the RVG, which is essential for smooth billing in the law firm. The content is organized in such a way that it can serve both as a textbook and as a reference work, making it a valuable resource for the training of legal professionals.