The book "Hybrid DC Switching Machines" by the authors B. A. Golovenkina, K. A. Prokosheva and Yu. C. Lutoshkina represents an important contribution to the field of electrical engineering and energy. This work will become a reference book for students, graduate students and specialists in the field of electrical systems, as well as for anyone interested in modern technologies in the energy sector. The authors, with considerable experience in the design and development of electrical devices, offer readers a deep dive into the topic of hybrid switching devices. These devices play a key role in modern energy systems, providing reliable and efficient control of electric energy flows. The book covers a wide range of aspects, from theoretical foundations to practical applications, making it useful for both beginners and experienced professionals. In the first part of the book, the authors consider in detail the principles of hybrid switching devices, their design features and advantages compared to traditional solutions. Readers will be able to learn about the different types of hybrid vehicles, their application in DC systems and how they can improve the efficiency and reliability of electrical networks. An important aspect is the discussion of current trends in the development of these devices, which allows readers to be aware of the latest advances in technology. The book also addresses issues related to environmental safety and sustainable development. The authors emphasize the importance of introducing new technologies in the context of global challenges, such as climate change and the need to switch to cleaner energy sources. This makes Hybrid DC Switching Apparatus a relevant and important work for anyone seeking to understand the role of electrical systems in the modern world. This book will be of interest not only to students and specialists in the field of electrical engineering, but also to engineers working in the field of energy, as well as to anyone who is interested in new technologies and their impact on our lives. If you are looking for information about how modern technologies can change the approach to the management of electrical energy, then this work will be a real find for you. The style of the authors is distinguished by clarity and accessibility, which makes complex technical concepts understandable even for those who are just starting their way in this area. They use many illustrations, graphs and examples, which contributes to a better understanding of the material. In. A. Golovenkin, K. A. Prokoshev and Yu. C. Lutoshkin has already established himself as an author capable of conveying complex ideas to a wide audience, and this book is no exception. If you are looking for literature on topics related to electrical systems, switching devices and new technologies in the energy sector, Hybrid DC Switching Devices will become an indispensable source of knowledge for you. In it you will find not only theoretical foundations, but also practical recommendations that will help you in your professional activities. This book is not just a tutorial, but a real guide to the world of modern technology, which will inspire you to new ideas and solutions.