Book "Phase transitions and symmetry of crystals" , written by well-known scientists and specialists in the field of physics and materials science - Igor Izyumov and Sergei Syromyatnikov , This is a fascinating and in-depth study ,. which affects critical aspects of the crystal structure and its changes under various conditions. This publication will be a real find for students, graduate students, as well as teachers and researchers interested in solid state physics, crystallography and materials with unique properties. The book covers a wide range of topics related to phase transitions processes in which substances change their state, passing from one phase to another. The authors explain in detail how crystal symmetry affects these transitions, allowing readers to better understand how structural changes in materials can be used to create new technologies. This is especially true in light of current research in the field of nanomaterials and functional materials, which are used in electronics, optics and other high technologies. Readers interested in physics, chemistry, materials science and engineering will find in this book not only theoretical foundations, but also practical examples that illustrate how theoretical concepts are applied in real-world conditions. The book will be useful both for those who are just starting their way in the study of crystals, and for experienced professionals who want to deepen their knowledge and get acquainted with the latest achievements in this field. One of the key topics addressed in the book is the effect of external factors, such as temperature and pressure, on crystal symmetry and their phase transitions. The authors give many examples showing how changes in environmental conditions can lead to unexpected and sometimes surprising results. This makes the book not only a scientific work, but also a fascinating reading for those who like to open new horizons in science. The style of Izyumov and Syromyatnikov is clear and accessible, which allows readers to easily assimilate complex concepts. They use many illustrations and graphs that help to visualize the ideas discussed and make the material more understandable. This makes the book particularly attractive to students who can use it as a teaching aid. In addition, the authors actively refer to their previous work and research, which allows the reader to see how their thoughts and ideas have evolved over time. Izyumov and Syromyatnikov are well-known scientists who have made a significant contribution to the development of solid state physics, and their previous publications are also worthy of attention. For example, their work on the theory of crystal lattices and magnetic materials has become fundamental for many researchers in this field. The book “Phase transitions and symmetry of crystals” is not just a textbook, but a real encyclopedia of knowledge that opens doors to the world of crystalline structures and their amazing properties. It inspires further research and experimentation, encouraging readers to think deeply and find new solutions in the field of materials science. If you are looking for a book that will help you understand the complex processes taking place in crystals and their impact on modern technology, then this publication will become your reliable companion. It will not only expand your knowledge, but also help you look at familiar things from a new angle. Do not miss the opportunity to immerse yourself in the fascinating world of physics and crystals with “Phase transitions and crystal symmetry” from Izyumov and Syromyatnikov!