The Book of Electricity . The optics” by Mikhail Nikolaevich Preobrazhensky is a fascinating and deep immersion in the world of physics, which will be a real discovery for both students and anyone interested in science. In this work, the author masterfully combines theoretical foundations with practical examples, which makes the material accessible and understandable to a wide audience. Preobrazhensky, known for his scientific works and pedagogical experience, offers readers a unique look at two important areas of physics - electricity and optics. The book examines the basic laws and principles that underlie these phenomena, as well as their practical application in everyday life and high technology. The reader will be able to learn how electrical phenomena affect our environment, how optical devices work and how this knowledge is applied in various fields, from medicine to telecommunications. The book will be interesting not only for students and schoolchildren studying physics, but also for teachers who want to update their knowledge and find new approaches to learning. It is also suitable for those who just like to understand complex issues and want to expand their horizons. The age category of readers varies from high school students to university students and adults seeking self-education. Topics raised in "Electricity. Optics covers a wide range of issues, including the fundamentals of electrical circuits, Kirchhoff’s laws, the operating principles of various optical systems such as lenses and mirrors, and modern technology based on these physical principles. Preobrazhensky not only explains how these phenomena work, but also shows their historical development, which allows the reader to better understand the context and significance of the topics studied. The author's style is distinguished by clarity and logical presentation, which makes complex concepts accessible to understanding. Preobrazhensky uses many illustrations and examples from real life, which helps the reader to see the practical application of theoretical knowledge. His approach to learning is based on the principle of "from simple to complex", which allows you to gradually delve into the material without losing interest. With the exception of .. Optics", Mikhail Nikolaevich Preobrazhensky is the author of other famous works that also deserve attention. His books on physics and related sciences have been recognized for their accessibility and captivating presentation, making them indispensable for students and faculty. If you are looking for a book that will not only expand your knowledge, but also inspire you to further study physics, "Electricity. It will be a great choice.. In it you will find not only theoretical foundations, but also practical tips that will help you apply the knowledge gained in life. This book is a real storehouse of information for anyone who wants to understand how the world around us works, and how physical laws affect our daily existence. Do not miss the opportunity to discover the amazing world of science with Mikhail Nikolaevich Preobrazhensky!