The book "Theory and Practice of Psychological Diagnostics in Internal Affairs", written by the author Petrov, is a unique and in-depth study that covers important aspects of psychological diagnostics in the system of internal affairs organs. This work not only attracts the attention of professionals in the field of psychology and law enforcement, but will also be interesting to a wide range of readers seeking to understand how psychology can affect the work of the police and other structures related to law enforcement. The book focuses on the process of psychological diagnosis, which plays a key role in assessing the personal and professional qualities of employees of the Internal Affairs Service .. Petrov shares his knowledge and experience, offering readers not only theoretical foundations, but also practical recommendations that can be applied in real working conditions. He analyzes how psychological diagnosis can help in the selection of personnel, improving the efficiency of employees and preventing professional burnout. The book will be especially useful for students and teachers of universities studying psychology and law, as well as for practicing psychologists and specialists in the field of personnel management. It may also be of interest to those working in law enforcement, wanting to improve their skills in psychodiagnostics and understanding of human nature. Readers who are passionate about psychology, criminology, and social work will find this book a lot of useful and inspiring. The topics raised in the book cover a wide range of issues, from the basics of psychological diagnostics to the specifics of working with various categories of people, including criminals and victims of crime. Petrov emphasizes the importance of empathy and understanding of human psychology in the work of law enforcement agencies, which makes his work especially relevant in the light of modern challenges facing society. He also discusses the impact of stress and emotional stress on ATS employees, suggesting techniques that can help overcome these difficulties. Petrov's style is clear and accessible, which allows the reader to easily assimilate complex concepts and apply them in practice. His approach to the presentation of the material is based on a combination of theory and practice, which makes the book not only a scientific work, but also a practical guide. Petrov is also known for his other work on psychology and law, which confirms his status as an expert in the field. In conclusion, The Theory and Practice of Psychological Diagnostics in Internal Affairs is a book that not only expands the horizons of understanding psychology in the context of law enforcement, but also offers practical tools for improving the work of internal affairs officers. It will become an indispensable source of knowledge for all who are interested in the intersection of psychology and law, and will help readers to better understand how psychological aspects affect the work of law enforcement agencies. If you are looking for literature that combines theory and practice, as well as current topics related to psychology and law, this book definitely deserves your attention.