The textbook "Schwabe: Constitutional Law I" by Boorberg offers a comprehensive and understandable presentation of the exam-relevant topics of constitutional organizational law in Germany. It is up to date as of June 2025 and takes into account current developments, including the latest decisions of the Federal Constitutional Court regarding electoral reform and the elections for the 21st German Bundestag. The book is particularly useful for students preparing for exams and assignments in the field of constitutional law. It addresses central aspects of constitutional procedural law and provides a detailed analysis of the four types of legal actions that are significant in university exercises and exams. By working through 18 cases, readers become familiar with the structures and substantive legal questions of constitutional organizational law. Comprehensive outlines and fully formulated model solutions assist readers in effectively applying the material learned and developing the correct legal analysis technique.