Book 615 Crystallophysics: Study. Rosin K . M. and Petrakova V. C. It is a unique and profound work that immerses the reader in the world of crystals and their physics. This manual will become an indispensable assistant for students, graduate students and anyone interested in physics, materials and their properties. Crystallophysics is a field of science that studies crystalline structures and their physical properties. In the book, the authors examine in detail the basic concepts, methods and approaches used in this fascinating discipline. The reader will be able to learn about how crystals are formed, what factors affect their properties and how these properties can be used in various fields of science and technology. This tutorial will be especially useful for students of physical and engineering specialties, as well as for those engaged in scientific research in the field of materials science. If you are fond of physics, chemistry or engineering, then Crystal Physics will become a real storehouse of knowledge for you. The book is suitable for both beginners and more experienced readers who want to deepen their knowledge in this specific area. The authors, Rosin and Petrakov, are known for their in-depth research and publications in the field of physics. Their writing style is distinguished by clarity and accessibility, which makes complex concepts understandable even for those who are just starting their way in science. They use a variety of examples and illustrations to demonstrate key ideas and principles, making the learning process more engaging and interactive. The topics raised in the book cover a wide range of issues related to crystal structures, their symmetry, defects, and the interaction of crystals with external fields. The authors discuss such important aspects as the optical and electrical properties of crystals, which allows the reader to understand how these properties affect the use of materials in modern technologies. The book also addresses issues related to current research in crystal physics, including nanomaterials and their unique properties. This makes the manual relevant and in demand, since science does not stand still, and new discoveries are constantly changing our understanding of materials and their capabilities. If you are looking for something similar to "Crystal Physics", pay attention to such works as "The Physics of Crystals" A. In. Grigorieva or "Crystals and their properties" H. N. Lebedeva . These books will also help you deepen your knowledge of materials science and physics. In conclusion, "No. 615 Crystallophysics: Study. The textbook is not just a book, but a whole world of knowledge that opens up new horizons for the reader in understanding physics and materials. This work will become a reliable companion for everyone who seeks new discoveries and wants to understand the complex but fascinating issues of crystal physics. Do not miss the opportunity to immerse yourself in this exciting world, which promises many discoveries and inspirations.