The book "Qualification and investigation of crimes in the field of drug trafficking", created by the team of authors, is a deep and comprehensive study of one of the most pressing and complex problems of modern society. At a time when drug trafficking and related crimes are becoming more sophisticated, this publication offers readers not only theoretical foundations, but also practical recommendations for the qualification and investigation of such crimes. From the first pages, the book immerses the reader in the world of law enforcement, where every word matters, and every action can become decisive. The authors, with a wealth of experience in criminal law and criminology, share their knowledge on how to properly qualify drug-related crimes and which investigative techniques are most effective. This makes the book an indispensable tool for law students, practicing lawyers, investigators and anyone interested in law and its application in real life. One of the central themes of the book is the analysis of the legal norms governing drug trafficking. The authors examine in detail the legislative changes that have occurred in recent years and their impact on the practice of the investigation. Readers will be able to learn about how different approaches to the classification of crimes depending on the type of drugs, as well as how international agreements affect national legislation. This knowledge will be useful not only to professionals, but also to anyone who wants to understand more deeply how the justice system in the fight against drugs works. The book also raises important questions about the social and ethical aspects of drug crime. The authors discuss how drug addiction and crime are interconnected, and how society can respond to these challenges. This makes the publication especially relevant for social workers, psychologists and all those involved in the rehabilitation and prevention of drug addiction. The style of the authors is distinguished by clarity and accessibility of the presentation . They skillfully combine theoretical knowledge with practical examples, which makes the material not only informative, but also fascinating. The reader will be pleasantly surprised at how easily complex information is perceived, which makes the book ideal for a wide audience. The book "Qualification and investigation of crimes in the field of drug trafficking" will be of interest not only to professionals in the field of law, but also to anyone who wants to better understand how the system of combating drug crime functions. It will be a useful tool for students, teachers, as well as for those interested in criminology and social policy. If you are looking for literature that combines in-depth analysis, practical orientation and relevance, then this publication will be a real find for you. It will not only increase your knowledge of the legal aspects of drug crime, but will also make you think about the broader social issues associated with this problem. Do not miss the opportunity to get acquainted with this important work, which will certainly take a worthy place in the library of everyone who is interested in law, criminology and social justice.