The book "Thermodynamics of solid solutions with a ferroactive subsystem" by B. Yurkevich is a fascinating and in-depth study that opens up new horizons in the field of thermodynamics and materials science. This work will be a real discovery for students, graduate students and specialists interested in physics, chemistry and engineering of materials. In his book, Yurkevich explores the thermodynamic properties of solid solutions, focusing on ferroactive subsystems. This area of science is becoming increasingly relevant in light of modern technologies, where materials with unique properties play a key role in the development of new devices and systems. The author offers readers not only theoretical foundations, but also practical examples, which makes the material accessible and understandable to a wide audience. The book will be especially interesting to those who are fond of physics and chemistry, as well as those who are engaged in the development of new materials and technologies. Students of technical specialties, graduate students, as well as researchers working in the field of materials science, will find in this work many useful ideas and concepts. Even experienced scientists will be able to discover new approaches and methods that will help in their own research. The topics raised in the book cover a wide range of issues related to thermodynamic processes in solid solutions. Yurkevich analyzes the influence of various factors on the properties of materials, including temperature and pressure conditions, which allows a deeper understanding of the mechanisms underlying their behavior. Particular attention is paid to ferroactive materials that have unique electrical and mechanical properties, which makes them promising for use in electronics and other high technologies. The author's style is distinguished by clarity and logical presentation, which allows readers to easily assimilate complex concepts. Yurkevich masterfully combines theory with practical examples, which makes the book not only a textbook, but also a desktop book for professionals. His previous work has also been highly regarded in the scientific community, confirming his status as an expert in the field. The book "Thermodynamics of solid solutions with a ferroactive subsystem" is not just a textbook, but a real find for everyone who seeks to deepen their knowledge in the field of thermodynamics and materials science. It inspires new research and discovery, emphasizing the importance of understanding thermodynamic processes to create innovative materials. If you are looking for information about thermodynamics, materials science or just want to expand your horizons in science, this book will become an indispensable source of knowledge for you. Do not miss the opportunity to immerse yourself in the fascinating world of thermodynamics of solid solutions and discover new horizons of science with B. Yurkevich!