The book "Folding alloys" by A. N. Krutilina is not just a textbook, but a real encyclopedia devoted to one of the most important and complex topics in the field of materials science and engineering. In it, the author shares his in-depth knowledge and experience to help readers understand how and why foundry alloys play a key role in modern manufacturing. Krutilin, known for its scientific approach and practical experience, immerses the reader in the world of metals and alloys, revealing their properties, production technologies and applications. The book covers a wide range of topics, ranging from the basics of foundry to modern methods of processing and testing alloys. Readers will be able to learn about the different types of alloys, their characteristics and applications, which makes this work an indispensable resource for both students and professionals in the field of mechanical engineering, metallurgy and materials science. Casting alloys will be especially interesting for those who want to deepen their knowledge in the field of engineering and technology. Students of technical universities, graduate students, as well as practicing engineers and researchers will find a lot of useful information in this book. It will be an excellent addition to training materials and will help in preparing for research and projects. The topics raised in the book cover not only technical aspects, but also economic and environmental issues related to the production and use of foundry alloys. Crutilin emphasizes the importance of choosing the right material for specific tasks, which can significantly affect the efficiency and sustainability of the final product. It also looks at current trends in the development of new alloys, making the book relevant in light of the ongoing progress in this area. The author's style is distinguished by clarity and accessibility, which allows even complex technical aspects to be presented in an understandable and fascinating form. Crutilin skillfully combines theory with practical examples, which makes reading not only useful, but also interesting. His previous works, such as Metals and Alloys: Properties and Applications and Modern Foundry Technology, have also gained recognition in the scientific community and have become major textbooks for many students and professionals. Foundry Alloys is a book that not only enriches knowledge, but also inspires new ideas and developments. It will become a reliable assistant for those who strive for excellence in their profession and want to be aware of the latest achievements in the field of materials science. If you are interested in such requests as “founding technologies”, “metal science”, “alloys and their application”, this book will be a real find for you. Do not miss the opportunity to immerse yourself in the fascinating world of foundry alloys with A. N. Crutilin. This book is your key to understanding the complex processes behind the creation of modern materials and technologies.