This casebook is intended as an introduction to typical exam-related municipal law cases that are solved according to the GO NRW. Most of the cases discussed, such as the "Municipal Constitutional Dispute" or the "Public Festival Case," could just as easily occur in any other federal state without changing the case structure and issues. Therefore, parallel norms from the other federal states are listed at key points. The name niederle media stands for scripts that are largely written by authors with several years of teaching experience as university lecturers or working group leaders, which - present exam-relevant topics in a compact manner, - can usually be worked through in 1-2 days, thus saving time, - are understandable enough that even beginners can grasp them right away, - include case examples, overviews, and diagrams, - are very affordable.