The book "Application of carbon dioxide for chemical hardening of foundry forms and rods" by L. M. Marienbach is a unique study that immerses the reader in the world of foundry production, revealing to him innovative technologies and methods that can significantly improve the quality and efficiency of production processes. This publication will be especially interesting for those involved in metallurgy, foundry, as well as students and teachers of technical specialties, seeking to expand their knowledge in the field of modern technologies. In his book, Marienbach examines in detail the use of carbon dioxide as a key component in the process of hardening foundry forms and rods. He explains how this gas, being environmentally friendly and affordable, can become an alternative to traditional methods, which often require the use of harmful chemicals. Readers will be able to learn about the benefits that carbon dioxide provides, such as reducing hardening time, improving the mechanical properties of finished products, and reducing production costs. One of the main themes of the book is sustainable development and ecology .. Marienbach focuses on how the introduction of new technologies can help reduce the negative impact on the environment, which is especially true in today's world, where environmental issues are becoming increasingly important. He also discusses how the use of carbon dioxide can help to solve the problem of recycling this gas, which makes the book relevant for those interested in sustainable production and ecology. The book is written in an accessible language, which makes it understandable not only for specialists, but also for a wide audience interested in chemistry and production technology. Marienbach uses many examples and illustrations to help readers better understand complex processes and technologies. His style of presentation is clear and logical, which makes it easy to follow the author's thoughts and absorb the material presented. For students and young professionals, the book will be a valuable source of knowledge that will help them understand the current trends in foundry production and prepare them for the challenges they may face in their professional activities. Teachers will also find it useful materials for their lectures and seminars, and practicing engineers will be able to use the knowledge gained to optimize their production processes. In addition, L. M. Marienbach is the author of other well-known works in the field of metallurgy and chemical technologies, which emphasizes his expertise and deep understanding of the subject. His research and publications have been recognized in academia, and this book is no exception. It is a logical continuation of his previous works and makes a significant contribution to the development of the field. Thus, the “Application of carbon dioxide for chemical hardening of foundry forms and rods” is not just a book, but a whole encyclopedia of knowledge that opens up new horizons for specialists and students. It inspires the search for new solutions in the field of foundry production and shows how modern technologies can change the approach to traditional processes. If you want to be aware of the latest trends in metallurgy and chemistry, this book will be an indispensable assistant for you.