The package "Manual for Criminal Investigation Procedures" and "Manual for Criminal Main Proceedings" offers comprehensive and practical support for defense attorneys in criminal law. These two specialized books, written by Detlef Burhoff, an experienced criminal defense attorney and former judge at the Higher Regional Court, are designed to provide quick access to crucial information. The manuals are structured in alphabetical order and cover over 300 relevant keywords. Each topic is presented in three different formats to meet the varying needs of readers. Whether for quick orientation, detailed examination, or specific practical recommendations – these manuals are indispensable companions for anyone working in criminal law. With a substantial number of pages and a clear structure, they provide valuable information and assistance for both beginners and experienced practitioners.