The specialist book "Competencies and Exceptional Competencies in the Criminal Procedure Code" by Ursula Nelles offers an in-depth analysis of the organizational legal function of the term "imminent danger" in the context of criminal procedural law. It highlights the legal framework and practical implications arising from this term. The author examines the various competencies and exceptional competencies relevant in criminal proceedings, providing valuable insights for students, practitioners, and scholars in the field of law. The book is written in German and is aimed at a professional audience engaged with the complex aspects of criminal procedural law. With 278 pages, it provides a comprehensive presentation of the topic and is an indispensable reference work for anyone dealing with the legal challenges in criminal proceedings.