The book "Sustainability of Electrical Systems" by B. and . Tokochakova is an indispensable guide for engineers, scientists and students seeking to understand and master the complex mechanisms for maintaining the stability of modern energy networks. In this fundamental work, the author reveals the intricacies of the theory and practice of ensuring the sustainability of electrical systems, focusing on the current challenges faced by energy companies in the era of rapid development of technologies and renewable energy sources. In the pages of the book, Tokochakov masterfully combines deep scientific analysis with practical recommendations, which makes it a valuable resource for both those involved in the design and operation of power grids and for students of energy specialties. Attention to detail and a systematic approach allow the reader not only to understand the basic principles of sustainability, but also to learn how to anticipate possible failures, develop strategies to prevent them and respond quickly to unexpected situations. The author examines in detail the issues of dynamic and static stability, analyzes the influence of various factors - from load fluctuations to the integration of renewable energy sources - and shows how modern technologies help to maintain balance in difficult conditions. The book “Sustainability of Electrical Systems” will be especially interesting for those who are looking for answers to questions related to the management of electric grids in conditions of change and instability. It will be suitable for energy engineers, automation system designers, energy conservation specialists and students studying electrical engineering and energy engineering. At the age of 18 years and older, readers with basic knowledge of electrical engineering will find in this book not only a theoretical basis, but also practical tools for solving urgent problems. The peculiarity of the book is the author's ability to convey complex technical concepts in a clear and accessible form, while maintaining scientific rigor. Tokochakov's style is characterized by accuracy and logical consistency, which helps the reader to easily navigate the variety of topics and aspects of system stability. His previous work on automation and management in energy has been recognized for its practical value and scientific depth, and "Sustainability of Electrical Systems" continues this tradition, expanding the horizons of knowledge and emphasizing the importance of stability in the modern world. This book is not just a tutorial or a handbook. This is a challenge for those who want to understand how to maintain the reliability and safety of power grids in the face of constant changes. It raises important topics related to dynamic processes, control automation and integration of new technologies, which makes it relevant and in demand in the context of the rapid development of the energy sector. In an age where energy security is a priority and sustainability is the key to a sustainable future, book B. and . Tokochakova is becoming an urgent recommendation for all those who are not indifferent to energy and innovation issues . If you are looking for a book that will help you understand how electrical systems work and why their stability is so important to the modern world, “Sustainability of Electrical Systems” is exactly what you need. This is a work that will not only expand your knowledge, but also inspire new ideas and solutions, making you part of those who stand guard over the energy stability of the future.