The book "Methods of calculation of emission electron-optical systems" by A. Vlasova is a unique publication that immerses the reader in the world of high technology and scientific research related to electronic-optical systems. This work will be a real find for students, graduate students, engineers and researchers interested in physics, electronics and optics. Vlasov in his book offers an in-depth analysis of calculation methods that allow you to design and optimize electronic-optical systems used in a variety of fields - from medicine to space technology. Readers will be able to learn about the principles of such systems, their design and application, as well as current trends in this area. The book not only describes theoretical aspects, but also offers practical examples, which makes the material accessible and understandable. One of the key topics that are raised in the book is the importance of accuracy of calculations in the design of electronic-optical systems. Vlasov emphasizes that even the slightest errors can lead to serious consequences in the operation of such devices. This makes the book especially relevant for those who are developing technologies that require high reliability and accuracy. The book will be of interest not only to specialists, but also to those who are simply fond of science and technology. Students of technical universities, graduate students, as well as researchers will find in it a lot of useful information that will help in their study and research. Vlasov uses accessible language and illustrative examples, which makes complex concepts more understandable and easier to perceive. The author’s style is distinguished by clarity and logical presentation . Vlasov skillfully combines theory with practical aspects, which allows the reader not only to understand the basic principles, but also to apply them in practice. This makes the book not just a textbook, but a real guide for professionals in the field of electronic optical systems. If you are looking for literature that will help you deepen your knowledge in the field of physics and electronics, then “Methods for calculating emission electron-optical systems” will be an excellent choice. The book will also be useful to those who are interested in modern technologies and their application in various spheres of life. In addition to this, Vlasov is known for his other works, which also focus on electronics and optics. His research and publications in scientific journals confirm his status as an expert in the field, and this adds value to his books. Thus, “Methods for calculating emission electron-optical systems” is not just a book, but a whole world of knowledge that is waiting to be discovered. It will become a reliable assistant for those who seek new discoveries and want to be aware of the latest achievements of science and technology. Do not miss the opportunity to immerse yourself in the exciting world of electronic-optical systems with A. Vlasov!