The book “Qualification of Extremist Crimes” by Borisov is a deep and fascinating study that immerses the reader in the complex world of law enforcement and legal qualification of crimes related to extremism. This work will become an indispensable source of knowledge for law students, practicing lawyers, as well as for anyone interested in law and security in modern society. The author, Borisov, is known for his ability to present complex legal concepts in an accessible and fascinating way .. His previous works, such as “Legal aspects of the fight against terrorism” and “Criminal law: modern challenges”, have already won recognition among professionals and a wide audience. In the new book, he continues this tradition, offering readers not only theoretical foundations, but also practical examples that make the material especially relevant and understandable. In the “Qualification of extremist crimes” Borisov explores how modern realities and challenges faced by society affect law enforcement. The book covers a wide range of topics: from the definition of extremism and its manifestations to the analysis of criminal legislation dealing with this problem. The reader will be able to find out what actions qualify as extremist, what the role of law enforcement agencies in combating such crimes is, and what measures are being taken to prevent the radicalization of young people. The book focuses on the legal and ethical aspects of characterization of crimes. Borisov raises important questions about the balance between freedom of speech and the need to fight extremism It analyses how different countries approach this problem and what lessons can be learned from international experience. This topic is particularly relevant in light of current global challenges such as terrorism and political radicalization. The book will be of interest not only to legal professionals, but also to a wide audience, including students, teachers, as well as anyone who wants to better understand how law responds to the challenges of the times. It can be a great addition to the library of those interested in social justice, human rights and political security. Borisov’s style is distinguished by clarity and logic, which makes reading his works not only useful, but also pleasant. It skillfully combines theoretical aspects with practical examples, which allows the reader not only to assimilate the material, but also to see its application in real life. In addition, the author actively uses current research and statistics, which gives his work additional credibility and weight. Thus, “Qualification of Extremist Crimes” is not just a book, but an important contribution to the understanding of complex and multifaceted issues related to law and society. It will become an indispensable assistant for those who seek to understand the nuances of criminal law and its application in the modern world. Readers interested in law, sociology, political science and security will find in this work a lot of useful information and deep reflections. If you are looking for literature that will help you better understand how law can serve as a tool in the fight against extremism, and how important it is to maintain a balance between freedom and security, then Borisov’s book is your ideal choice. Do not miss the opportunity to get acquainted with this significant work, which will certainly leave a mark in your understanding of legal and social issues.