The book “The role of investigative and judicial practice in ensuring the correct application of the norms” by Zaitsev is a deep and comprehensive study that immerses the reader in the subtleties and nuances of law enforcement practice in Russia. This work will be not only a useful tool for law students, but also a valuable source of information for practicing lawyers, judges, investigators and anyone interested in justice and law enforcement issues. In his book, Zaitsev raises important questions regarding the interaction of investigative and judicial practice, as well as their impact on the correct application of the law. The author focuses on how errors in the investigation can affect judicial decisions and, ultimately, the fate of people. It analyzes many real-world cases, showing how practical mistakes can lead to serious consequences, and suggests ways to prevent them. This creates intrigue, making the reader think about how important every detail in the justice process. The book will be of interest not only to professional lawyers, but also to those who want to understand how the justice system works in Russia. Students, graduate students, as well as anyone interested in law, will find in it a lot of useful ideas and examples. Zaitsev writes in accessible language, which makes complex legal concepts understandable even for those who do not have a special education. This makes the book an ideal choice for a wide audience seeking to understand the intricacies of law enforcement. The topics raised in the book cover a wide range of issues, from analysis of court decisions to discussion of the role of investigative bodies in ensuring justice. Zaitsev is not afraid to raise thorny issues such as corruption, bias and shortcomings in legislation, which makes his work relevant and important in the context of modern justice. The author also examines international experience, comparing it with Russian realities, which adds an additional layer of depth to his analysis. Zaitsev's style is clear and logical. He masterfully combines theory with practical examples, which makes reading not only informative, but also fascinating. The book is full of live illustrations and examples from real practice, which allows the reader to better understand how theoretical norms are applied in practice. This makes “The role of investigative and judicial practice in ensuring the correct application of norms” not just a textbook, but a real guide to the complex world of jurisprudence. In addition, Zaitsev is known for his other works in the field of law, which also deserve attention. His research on criminal law and law enforcement has been recognized among both professionals and students.[citation needed] Readers interested in a deeper study of legal issues may wish to pay attention to his other publications, which will also help to broaden their understanding of complex legal topics. Thus, the book “The role of investigative and judicial practice in ensuring the correct application of norms” is not just a theoretical study, but a practical guide that will help readers better understand how the justice system works in Russia. It will be of interest to those who seek justice and want to understand the intricacies of law enforcement practice. Do not miss the opportunity to immerse yourself in the world of law with Zaitsev and discover new horizons of legal knowledge!