The book "Fundamentals of Emergency Management in Power Systems" by E. In. Calentionka is an important work that immerses the reader in the world of managing energy systems in conditions of instability and emergency situations. This work will be especially useful for energy professionals, students of technical universities, as well as anyone interested in modern approaches to ensuring the reliability and safety of energy supply. In his book, Calentionok examines key aspects of emergency management, ranging from theoretical foundations to practical recommendations. The author emphasizes the importance of rapid response to emergencies, which is especially relevant in the light of modern challenges such as climate change, increasing energy consumption and the need to switch to sustainable sources. The reader will be able to get acquainted with various methods of diagnostics and analysis of the state of power systems, as well as with modern technologies that help to minimize the consequences of accidents. Calention not only shares its knowledge, but also offers readers a unique look at the problems faced by energy companies. It raises important topics such as the integration of renewable energy, risk management and the need for effective monitoring systems. These issues are becoming increasingly relevant in the face of global change, and the book offers practical solutions that can be put into practice. The author's style is distinguished by clarity and accessibility, which makes the material understandable even for those who do not have deep technical knowledge. Calentionok uses examples from real practice and illustration, which allows the reader to better assimilate complex concepts. His previous work was also marked by a high level of professionalism and scientific rigor, which confirms his status as an expert in the field of energy. This book will be interesting not only for professionals, but also for students who study energy and related disciplines. It can be an excellent addition to training materials, as well as serve as a basis for discussions at seminars and conferences. In addition, specialists working in the field of project management and systems will find it useful ideas for implementation in their practice .. The topics raised in the book cover a wide range of issues, such as the sustainability of power systems, methods for preventing accidents, and managing the consequences of incidents that have already occurred. Readers will be able to learn about modern approaches to modeling and forecasting, which help to anticipate possible problems and develop strategies for solving them in advance. If you are looking for literature that will help you to better understand the principles of emergency management in power systems, “Fundamentals of emergency management in power systems” will be an indispensable source of knowledge for you. This book will not only expand your horizons, but also inspire new ideas and solutions in your professional activities. Do not miss the opportunity to get acquainted with the work of one of the leading experts in the field of energy and take a step towards a safer and more sustainable future.