The book "Heat conductivity under stationary mode in a multilayer flat wall" by authorship I. B. Pavlova is an in-depth and comprehensive study devoted to one of the key topics in the field of heat engineering and thermal physics. This work will be especially interesting for students, graduate students and specialists working in the field of heat exchange, construction technologies and materials science. In his book, Pavlov considers thermal conductivity in multi-layer walls, which is a topical topic in light of modern requirements for energy efficiency and building sustainability. The author carefully analyzes the heat transfer processes in stationary mode, which allows the reader to better understand the mechanisms affecting heat exchange in various structures. The book not only explains the theoretical underpinnings, but also offers practical examples, making it useful for both students and practicing engineers. One of the key topics raised in the book is the impact of different materials and their combinations on thermal insulation efficiency. Pavlov describes in detail how the choice of certain materials can significantly change the thermal conductivity of the wall, which, in turn, affects energy savings and comfort in the premises. This knowledge is especially relevant for architects and designers seeking to create buildings that meet modern energy efficiency standards. The book is written in accessible language, which makes it understandable even for those who are just starting to study thermal physics. At the same time, in-depth analysis and extensive examples make it a valuable resource for more experienced professionals looking to expand their knowledge and skills. Pavlov uses many graphs and diagrams, which helps to visualize complex processes and facilitates understanding of the material. The style of the author is clear and logical, which allows the reader to easily follow his thoughts. and . B. Pavlov is a well-known specialist in the field of thermal physics, and his previous works have also earned recognition in scientific circles. The book "Heat conductivity under stationary mode in a multi-layered flat wall" continues the tradition of high-quality scientific publications that not only inform, but also inspire further research. This book will be of interest not only to students and specialists in the field of thermal physics, but also to everyone who is interested in modern construction technologies and energy efficiency. If you are looking for literature that will help you understand the complex issues of heat transfer and give practical recommendations for improving the thermal insulation of buildings, then "Heat conductivity under stationary mode in a multilayered flat wall" is exactly what you need. In conclusion, it is worth noting that Pavlov’s book is not just a textbook, but a real find for everyone who seeks a deep understanding of the processes of heat exchange. It will become a reliable assistant in your professional activities and will open new horizons in the study of thermal physics. Do not miss the opportunity to immerse yourself in the world of thermal conductivity and discover all the subtleties of multilayer structures!