The Relativistic Electron by Sokolov A. A. and Ternova I. M. It is a fascinating and in-depth study that immerses the reader in the world of particle physics and relativistic mechanics. This work not only reveals complex scientific concepts, but also makes them available to a wide audience, which makes the book interesting for both students and science lovers. The focus of the authors is the electron - one of the most fundamental particles in the universe. The book begins with the basics, explaining what an electron is, its properties, and its role in atomic structure. However, the “relativistic electron” is not limited to only basic concepts. The authors aim to show how relativistic effects affect the behavior of the electron at high speeds approaching the speed of light. This creates an intriguing combination of theory and practice that makes one wonder how the laws of physics operate in extreme conditions. Who can like this book? First, it will be of interest to students and graduate students of physical and engineering specialties who are looking for an affordable and at the same time deep explanation of complex topics . Secondly, the book will attract the attention of all who are interested in modern scientific achievements and want to expand their knowledge about the nature of matter. Even those who do not have a special education will be able to find fascinating ideas and concepts in it that will make you think about how our world works. The topics raised in the Relativistic Electron cover a wide range of issues, from the fundamentals of quantum mechanics to relativistic effects such as time dilation and mass increase. The authors not only explain the theory, but also provide practical examples that help the reader better understand how these concepts are applied in real life. For example, they discuss how relativistic effects are taken into account in modern technologies, such as GPS, and how they affect our daily existence. The style of Sokolov and Ternov can be described as accessible and lively. They skillfully use metaphors and analogies to explain complex ideas, which makes reading not only cognitive, but also fascinating. The authors also actively use graphics and illustrations that help to visualize the concepts discussed, which is especially useful for visual learners. If you are looking for books that are similar in subject, then the Relativistic Electron can be compared with works such as Stephen Hawking's A Brief History of Time or Frank Wilczek's Elementary Particles. These books also offer an in-depth understanding of physics and its underlying principles, but do so with varying degrees of complexity and focus. In conclusion, the Relativistic Electron is not just a physics textbook. This is a fascinating journey into the world of elementary particles, which makes it necessary to rethink the usual ideas about matter and energy. The book is worthy of attention not only for its scientific achievements, but also for its ability to inspire readers to further research in the field of physics and related sciences. If you want to learn more about how our world works at the most fundamental level, this book will be a great start to your journey.