The book “Activities of a defense lawyer on a preliminary investigation”, created by the team of authors, is a unique and in-depth study of the most important aspects of the work of a lawyer in the context of a preliminary investigation .. This publication will be an indispensable assistant for both practicing lawyers and law students seeking to understand the intricacies and nuances of the work of a lawyer in criminal proceedings. The book examines the key points related to the protection of the rights and legitimate interests of the accused at the stage of preliminary investigation. The authors analyze in detail the procedural mechanisms by which a lawyer can effectively interact with law enforcement agencies, as well as protect his client from possible abuses by the investigation. An important aspect is the emphasis on how a lawyer should act to ensure respect for human rights and fair trial principles. The book will be especially interesting for those who want to deepen their knowledge in the field of criminal law and process. It is suitable for both young professionals and experienced lawyers who seek to update their knowledge of modern approaches and methods of defense. Readers interested in human rights, human rights work, and legal ethics will also find this publication a lot of useful and inspiring. The topics raised in the book cover a wide range of issues, from the lawyer’s rights in a preliminary investigation to the ethical dilemmas he may face. The authors emphasize the importance of respecting the rights of the client, as well as the need for the active participation of a lawyer in the process of collecting evidence and preparing for trial. The book also addresses the issues of interaction with other participants in the process, including investigators and prosecutors, which makes it relevant for all those who work in the field of jurisprudence. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to assimilate complex legal concepts. They use examples from practice, which makes the material more clear and understandable. In addition, the book includes up-to-date references to legislation and jurisprudence, making it a valuable source of information for lawyers. The book “Activities of a defense lawyer on a preliminary investigation” will be an important addition to the library of anyone interested in criminal law and human rights protection. It will help readers not only to better understand their role in the process, but also to realize the responsibility that lies on the lawyer in the context of modern justice. If you are looking for literature on criminal procedure, human rights or advocacy, this publication will be an excellent choice. It will not only expand your knowledge, but also inspire new achievements in your professional career. Do not miss the opportunity to immerse yourself in a world where law and justice intersect, and learn how a lawyer can become a reliable support for his client in the most difficult moments.