Beck, Blackwell and St. Clair’s Incorrect Reverse Thermal Conductivity Problems is a fascinating and in-depth study that immerses the reader in the world of mathematical modeling and thermal conductivity theory. This work will be a real find for students, graduate students and specialists in the field of applied mathematics, physics and engineering, as well as for anyone interested in modern scientific approaches to solving complex problems. The book focuses on inverse heat conduction problems, which are one of the most complex and relevant topics in mathematics and physics. The authors masterfully explain how these problems arise in real-world applications, such as medicine, geophysics, and materials science. They emphasize that incorrect inverse problems are not just theoretical exotics, but an important tool for solving practical problems, such as determining the temperature in the bowels of the Earth or diagnosing diseases from temperature data. The book is written in clear and accessible language, which makes it suitable for both professionals and students just starting their way in this field. The authors not only present theoretical foundations, but also offer practical examples, which allows readers to better understand how to apply the knowledge gained in real-world situations. The intriguing tasks and exercises presented in the book encourage the reader to actively reflect and find solutions, which makes the learning process exciting and productive. The topics raised in the book cover a wide range of issues, such as methods of regularization, numerical methods of solving inverse problems and their application in various fields of science and technology. The authors emphasize the importance of choosing the right methods and tools for solving incorrect problems, which is the key to achieving successful results. The book also discusses problems related to the stability of solutions and their sensitivity to changes in the original data, which makes it especially relevant in the context of modern scientific research. The style of the authors is characterized by high scientific rigor, but at the same time they are able to make the material accessible and understandable. Beck, Blackwell, and St. Clair are recognized experts in their field, and their previous work, such as Numerical Analysis Methods and Inverse Problems in Mathematics, has already established themselves as important sources of knowledge. Their experience and deep understanding of the subject make this book not only a textbook, but also a real scientific work that can serve as a basis for further research. “Incorrect Reverse Thermal Conductivity Problems” is not just a book, but a whole world into which the reader plunges with each new paragraph. It will be of interest to both students and experienced researchers seeking to broaden their horizons and deepen their knowledge in the field of mathematical modeling. If you are looking for literature that combines theory and practice, and also offers a fresh look at known problems, then this work will be a real find for you. Do not miss the opportunity to discover the fascinating world of thermal conductivity and reverse tasks that this book offers. It will help you not only to understand complex concepts, but also inspire new research and discoveries.