Book 67 Solid state electronics: study. by A. N. Kovaleva is an important and relevant work that immerses the reader in the world of solid-state electronics, revealing all the subtleties and nuances of this rapidly developing field of science and technology. If you are interested in modern technology, electronics and want to understand more deeply how the devices that surround us work, this guide will become an indispensable source of knowledge for you. Solid state electronics is an area that encompasses the use of semiconductor materials to create electronic components and devices. Kovalev’s book offers readers not only theoretical foundations, but also practical aspects, making it an ideal choice for both technical students and practicing engineers who want to update their knowledge. The manual deals with topics such as semiconductor physics, the principles of operation of various solid-state devices, as well as their application in modern technologies. Author, A. N. Kovalev is known for his deep understanding of the subject and his ability to explain complex concepts. His style of presentation is clear and logical, which allows readers to easily absorb material. Kovalev is also the author of other significant works in the field of electronics and electrical engineering, which confirms his authority and professionalism. His experience and knowledge make this manual not just educational material, but a real guide to the world of solid-state electronics. The book will be especially interesting for students of technical universities, graduate students and anyone who wants to deepen their knowledge in the field of electronics. It is suitable for both beginners and those who already have some experience and want to expand their horizons. If you are looking for materials on such topics as semiconductor devices, transistors, diodes, as well as their application in various devices, then Solid State Electronics will be a real find for you. The topics raised in the book cover not only technical aspects, but also philosophical issues related to the development of technology and their impact on society. Kovalev touches on important issues related to ecology and sustainable development, which makes his work relevant in the context of modern challenges. Readers will be able to think about how solid-state electronics can change our lives, improve the quality of the environment and create new opportunities for innovation. The structure of the manual is thought out in such a way that each section logically passes into the next, creating a holistic perception of the material. This allows readers not only to study individual topics, but also to see the overall picture, which is especially important for understanding complex interconnections in the field of electronics. Kovalev uses many illustrations, diagrams and examples, which makes the study more visual and fascinating. In conclusion, "No. 67 Solid state electronics: training. Benefits of A. N. Kovalev is not just a book, but an important step towards understanding the basics of solid-state electronics. It will be a valuable resource for students, engineers and anyone interested in modern technology. If you want to be aware of the latest advances in electronics and semiconductors, this manual should definitely take a place on your bookshelf. Do not miss the opportunity to discover the world of solid-state electronics and learn how it shapes the future of technology!