The book "Sync in telecommunication systems" by Sukhman S. M. and others is an important work that immerses the reader in the world of modern communication technologies and their fundamental principles. This work is not just a tutorial, but a real encyclopedia covering a wide range of issues related to synchronization in telecommunications. With the rapid development of technology, when every day new devices and systems appear, understanding the principles of synchronization becomes critical. The book covers both theoretical aspects and practical applications, making it an indispensable resource for undergraduates, graduate students, and telecommunications professionals. If you study at the Faculty of Communications or Information Technology, or work in this field, then this work will become a real guide for you. One of the key topics addressed in the book is the importance of synchronization in ensuring the reliability and efficiency of telecommunications systems. The authors explain in detail how synchronization affects the quality of data transmission, the speed of information processing and the stability of networks. They consider various synchronization methods, including time and frequency, as well as their application in various systems, such as mobile networks, satellite communications and fiber-optic technologies. The book also raises issues related to modern synchronization challenges, such as the need to integrate new technologies, including 5G and IoT (Internet of Things). In an environment where devices are becoming increasingly interconnected, understanding synchronization becomes not just desirable, but necessary. The authors offer the reader not only theoretical knowledge, but also practical recommendations that can be used in real projects. The style of Sukhman and his colleagues is clear and accessible, which allows even complex technical concepts to be presented in an understandable and logical form. This makes the book attractive to a wide audience, including not only professionals but also students who are just starting out in the world of telecommunications. In addition, the book contains examples from real practice, which helps to better understand the material and see its application in action. If you are looking for literature on topics such as "telecommunications technology", "synchronization in communication systems", "network optimization" or "innovation in telecommunications", then "synchronization in telecommunication systems" will be an excellent choice. This book will not only expand your knowledge, but will also help you stay on the cutting edge in the rapidly changing world of technology. In conclusion, Synchronization in Telecommunication Systems is not just a book, but a valuable source of information that will help you understand the complex issues of synchronization and its role in modern telecommunications. Thanks to in-depth analysis and practical recommendations, this publication will become an indispensable assistant for both students and experienced specialists in this field. Do not miss the opportunity to immerse yourself in the fascinating world of telecommunication technologies and discover new horizons!