The book “Theory of Electrical Communication: A Study Guide” edited by Konstantin Vasilyev is an important work that opens the world of electrical communications and their theoretical foundations to readers. This manual is intended for students of technical specialties, as well as for anyone interested in modern communication technologies and electrical engineering. It details key aspects of electrical communication theory, making it an indispensable resource for exploring this challenging but fascinating field. Vasilyev, as an experienced teacher and researcher, managed to create a textbook that is not only informative, but also accessible for understanding. The book covers a wide range of topics, ranging from the basics of electrical signals to modern methods of data transmission. Readers will be able to learn about the principles of various communication systems, such as analog and digital, as well as about current trends in the field of telecommunications. This makes the manual relevant to both students and practicing engineers seeking to update their knowledge in the rapidly changing world of technology. Who can like this manual? First of all, it will be useful for students studying at the faculties of electronics, communication and information technology . The book will also be of interest to graduate students and young professionals who want to deepen their knowledge in the field of electrical communication. However, not only students will find valuable information in it; engineers and practitioners working in the field of telecommunications will be able to use the manual as a reference for solving specific problems in practice. The book raises important topics, such as the basics of information transmission, methods of modulation and demodulation of signals, as well as the influence of various factors on the quality of communication. Vasilyev focuses on modern challenges faced by communications engineers, such as the need to improve data transfer speed and reliability of systems. These issues are becoming especially relevant in the light of the rapid development of technologies and the increase in the amount of information transmitted. The author's style is distinguished by clarity and logical presentation, which allows the reader to easily assimilate complex concepts. Konstantin Konstantinovich Vasilyev is not only the author of this manual, but also a number of other significant works in the field of electrical engineering and communication. His experience and in-depth knowledge in the subject area make each page of the book rich and useful. Readers familiar with his other works will appreciate the consistency and depth of analysis that are hallmarks of his style. “Electric Communication Theory: A Tutorial” is not just a book, but a whole world in which readers are immersed, seeking to understand how modern communication systems work. She will become a reliable assistant in her studies and professional activities, opening new horizons for studying electrical engineering and telecommunications. If you are looking for a high-quality and up-to-date manual on the theory of electrical communication, this publication will be your faithful companion on the way to knowledge. Do not miss the opportunity to expand your horizons and deepen your understanding of electrical communication with this unique tutorial, which will definitely find its place on the shelf of every student and specialist in the field.