The book "Principal questions of quantum mechanics" by D. and . Blokhintseva is a fascinating and deep dive into the world of quantum physics, which will not leave indifferent any lover of science. In this work, the author raises the most important questions concerning the foundations of quantum mechanics and offers readers a unique look at the complex concepts that shape our understanding of the microworld. D. and . Blokhintsev, an experienced physicist and teacher, is known for his ability to explain complex scientific ideas. His style of presentation combines the rigor of the scientific approach and the fascination of popular science. Reading this book, you will not only gain new knowledge, but also enjoy the process of learning, which will be a real adventure in the world of science. Blokhintsev not only expounds facts, he creates a living picture of quantum reality, where each phenomenon has its own characteristics and mysteries. The book covers a wide range of topics, ranging from the basics of quantum mechanics to its philosophical aspects. Blokhintsev discusses such key concepts as superposition, entanglement and the uncertainty principle, as well as their impact on our understanding of reality. He asks important questions: what is observation in the quantum world? What are the consequences of quantum phenomena for classical physics? These topics are of interest to students, graduate students, teachers and anyone who wants to understand the nature of matter and energy more deeply . "Principal questions of quantum mechanics" will be of particular interest to those who are fond of physics, philosophy of science and even mathematics. The book is suitable for both students and more experienced readers who want to refresh their knowledge or look at familiar things from a new perspective. It will be an excellent addition to tutorials and handbooks, and will also inspire further research in physics...... [ The topics raised in the book are relevant not only for the scientific community, but also for a wide audience interested in modern scientific achievements. Blochintsev touches on issues that concern many: [CL ) How can quantum mechanics change our perception of time and space? What are the practical applications of quantum technology in our lives? These reflections make the book not only a scientific work, but also a philosophical study, [CM ) It can make you think about the place of man in the vast expanses of the universe .. Blokhintsev's style is clear and logical, which makes his work accessible to understanding even those who do not have deep knowledge in the field of physics. He masterfully uses examples and analogies to explain complex concepts, making them more understandable and closer to real life. This quality makes his books in demand among readers seeking knowledge. If you are looking for literature that combines scientific rigor and a fascinating style, “Principal Questions of Quantum Mechanics” will be a real find for you. This book will not only expand your horizons, but also inspire further research in the field of quantum physics and its philosophical aspects. Do not miss the opportunity to touch the secrets of the quantum world with D. and . Blokhintsev is an author who knows how to make science accessible and fascinating .