The book "Physical methods of studying substances" by O. N. Kanygina is a fascinating and deep dive into the world of physics and chemistry, which will become a desktop guide for students, graduate students and anyone interested in modern methods of material analysis. In this work, the author masterfully combines theory and practice, offering the reader not only extensive knowledge, but also the practical skills necessary to work in the laboratory. Kanygin, having a rich experience in the field of physics and materials science, shares his observations and discoveries with readers. He examines various physical methods, such as X-ray diffraction, spectroscopy, thermal analysis, and many others that allow us to investigate the properties of substances at the molecular level. The book covers a wide range of topics, including the structure of materials, their physical and chemical properties, as well as methods of their analysis and research. This makes the work a universal tool for studying both traditional and modern approaches to the study of substances. "Physical methods of studying substances" will be a real find for students of technical and natural sciences specialties, as well as for teachers and researchers working in the field of materials science, physics and chemistry. If you are passionate about science, strive to understand how the world around us works, and want to learn how modern technologies help to reveal the secrets of substances, this book will become your reliable companion in this fascinating journey. The topics raised in the book are relevant and important for modern society. With the rapid development of technology and science, understanding the physical properties of materials is becoming key to creating new innovative products. Kanygin focuses on how physical methods of research help in the development of new materials, improving their properties and adapting to specific needs. This makes the book not only a textbook, but also an important source of information for practitioners working in scientific and industrial laboratories. The author's style is distinguished by clarity and accessibility of presentation. He skillfully uses examples from real practice, which allows the reader to better understand complex concepts and methods. Kanygin also includes many illustrations and diagrams in the text that help to visualize the material and make the learning process more fascinating. His previous work, such as "Physical Analysis Methods" and "Modern Approaches to Materials Research", has also been praised for its in-depth analysis and accessible presentation, which confirms his status as an expert in the field. The book “Physical methods of studying substances” is not just a textbook, but a whole world of knowledge that opens up new horizons for the reader. It is suitable for both students and professionals wishing to expand their knowledge and skills in the field of physical research methods. If you are looking for information about modern methods of analysis, want to deepen your knowledge in the field of materials science or just interested in science, this work will become your faithful assistant. Do not miss the opportunity to immerse yourself in the fascinating world of physics and chemistry with the book O. N. Kanygina . It will not only enrich your knowledge, but also inspire new discoveries and research.