The book "Investigation of properties of linear passive quadrilaterals" edited by A. N. Komkova et al. is an in-depth and comprehensive study focusing on one of the key concepts in electrical and radio engineering. Quads are devices that play an important role in signal transmission and processing, and their properties are the basis for the development of many modern technologies. This work will be of particular interest to students, graduate students and specialists in the field of electrical engineering, as well as anyone who seeks to deepen their knowledge of linear systems and their applications. The book covers a wide range of topics related to linear passive quadrilaterals, including their mathematical description, characteristics, and methods of analysis. The authors offer the reader a unique view of the properties of these devices, considering both theoretical aspects and practical applications. In particular, the book discusses in detail such important topics as impedance, transfer functions and parameters that allow us to assess the efficiency and reliability of quads in various conditions. One of the key features of this work is its accessibility to a wide range of readers. Despite the complexity of the topic, the authors seek to explain the material in simple and understandable language, which makes the book useful for both beginners and experienced specialists. Readers will be able not only to master the basic principles of the four poles, but also to get acquainted with modern methods of their research and analysis. This makes the book a valuable resource for those who want to stay at the forefront of electrical engineering technology. The book "Study of the properties of linear passive quadrilaterals" also raises important topics, such as the stability of systems, the influence of external factors on the work of quadrilaterals and methods of their optimization. These aspects are of great importance in the context of modern requirements for the reliability and efficiency of electrical devices. The authors focus on how the right choice of parameters and design solutions can significantly affect the characteristics of the final product. The style of the authors is distinguished by scientific rigor and at the same time accessibility, which allows the reader to easily assimilate complex concepts. Author's team, including A. N. Komkova, known for her research in electrical engineering, and their previous work has also gained recognition among specialists. In this book, they combine their knowledge and experience to provide readers with the most up-to-date information about linear passive quadriplegia. This book will be of interest not only to undergraduate and graduate students, but also to practicing engineers who work in the design and analysis of electrical systems. It will become an indispensable reference for those who are engaged in the development of new technologies and are looking for ways to improve existing solutions. Readers interested in topics related to electrical circuits, radio engineering, and control systems will find much useful information in this book. In conclusion, “Study of the properties of linear passive quadriples” is not just a textbook, but a real find for anyone who wants to deepen their knowledge in the field of electrical engineering. The book offers readers a unique opportunity to get acquainted with modern methods of research and analysis, as well as get practical recommendations that will help in their future professional activities. Don’t miss the chance to expand your horizons and learn more about quadrilaterals, which play a key role in the development of future technologies.