The Production and Application of Controlled Atmospheres in the Heat Treatment of Steel, written by B. Estrinum is a deep immersion in the world of metallurgy and heat treatment, revealing the most important aspects that can interest both specialists and students seeking to expand their knowledge in this field. This publication will be an indispensable assistant for engineers, technologists and researchers working with metals, as well as for anyone who wants to understand how controlled atmospheres can change the properties of steel and improve the efficiency of production processes. The book covers a wide range of topics related to the heat treatment of steel, ranging from the basics to modern technologies. The author explains in detail what a controlled atmosphere is and how it affects thermal processes such as quenching, annealing and normalization. Estrin not only describes theoretical aspects, but also shares practical recommendations, which makes the material accessible and understandable even for those who are just starting their way in metallurgy. One of the key themes of the book is the effect of different gas media on the properties of steel. Estrin explores how changing atmospheric composition can lead to improved mechanical performance, corrosion resistance, and durability of materials. Readers will learn about the different types of gases used in controlled atmospheres and how their application can optimize production processes. This knowledge will be particularly useful for those working in the development of new alloys and metalworking technologies. The book will be of interest not only to professionals, but also to students of technical universities who study metallurgy and related disciplines. It can become the main training manual for heat treatment courses, as well as a source of inspiration for research projects. Estrin uses accessible language and illustrative examples, which makes it easy to assimilate complex concepts and apply them in practice. The author’s style is distinguished by clarity and logical presentation . B. Estrin is an experienced specialist who not only theoretically understands the issues of metallurgy, but also has practical experience in this field. His other well-known works are also devoted to metallurgy and material processing, which emphasizes his authority as an expert. Readers will be able to appreciate his in-depth knowledge and passion for the topic, which makes reading not only informative, but also fascinating. The book "Production and application of controlled atmospheres in the heat treatment of steel" deserves attention due to its relevance and practical significance. In today's production environment, where requirements for the quality of materials are constantly growing, understanding of heat treatment processes and their optimization are becoming key success factors. Estrin offers readers not just a theory, but practical solutions that can be implemented in production processes. If you are looking for a book that will help you understand the intricacies of steel heat treatment and teach you how to use controlled atmospheres to achieve better results, then this publication will become your reliable companion. Do not miss the opportunity to immerse yourself in the world of metallurgy with B. Estrin and discover new horizons in the processing of materials!