The book "Fundamentals of operational-search activity" by A. M. Hlusa is a fascinating and deep dive into the world of law enforcement and their working methods. This work will be a real find for all those who are interested in criminology, law, as well as those who seek to understand how the security system in our society works. In his book, Hlus not only outlines the theoretical aspects of operational-search activity, but also shares practical examples, which makes the material accessible and understandable. The reader will be able to learn about how information is collected, what methods are used to solve crimes, and how different services and units interact. The author immerses us in an exciting world of investigations, where every action can become decisive in the search for the truth. The book will be interesting to a wide range of readers .. Law students, law enforcement officers, and anyone interested in criminology and law will find much useful information in it. Even those who are simply fond of detectives and crime novels will be able to appreciate the depth of analysis and the practical significance of the materials presented. The topics raised in the “Fundamentals of operational-search activity” cover a wide range of issues from the ethical aspects of the work of operatives to the technical means used in the investigation process. Hlus emphasizes the importance of respecting the law and human rights, which makes his work relevant in today's society, where security and justice issues are becoming increasingly important. The author’s style is distinguished by clarity and logical presentation . Hlus masterfully combines theory and practice, which allows the reader not only to understand the basic principles of operational-search activity, but also to see how they are applied in practice. His experience in law enforcement gives the book special value, as he shares not only knowledge, but also personal observations, which makes reading especially fascinating. If you are looking for books that will help you better understand the work of law enforcement, pay attention to the "Basics of operational-search activities" . This work will be a great addition to the library of anyone interested in law, forensics or just want to learn more about how the security system works in our society. It is also worth noting that the book can be useful for those who want to develop analytical thinking and learn to understand difficult situations. Hlus offers not only facts, but also methods of analysis, which can be useful in various spheres of life. Do not miss the opportunity to immerse yourself in the world of operational-search activities with A. M. Hlus . This book is not just a textbook, but a real encyclopedia of knowledge that will help you better understand how the law enforcement system works and what methods are used to maintain security in society.