Numerical Methods of Calculation of Nuclear Reactors by G. and . Marchuka is a unique and in-depth study that immerses the reader in the world of nuclear physics and engineering. This publication will be especially useful for students, graduate students and specialists in the field of nuclear energy, as well as for anyone interested in modern methods of numerical modeling and their application in the calculations of nuclear reactors. In his book, Marchuk offers readers a detailed analysis of the numerical methods used to model the processes occurring in nuclear reactors. He considers both classical approaches and modern algorithms that allow more accurate prediction of the behavior of nuclear systems. The reader will be able to learn about such important aspects as heat generation, neutron physics, as well as the interaction of various physical processes in the reactor. The author not only describes the theoretical foundations, but also gives practical examples, which makes the material more accessible and understandable. The book will be interesting not only for those who already work in the field of nuclear energy, but also for those who are just starting their way in this complex but fascinating field. Students and graduate students will be able to find useful information for their research here, and practicing engineers will be able to find relevant data for their work. In addition, the book can attract the attention of those interested in the safety of nuclear technologies and their impact on the environment. The topics raised in the book are extremely relevant in light of the current challenges facing humanity. With global climate change and the need to switch to cleaner energy sources, nuclear power is becoming increasingly important. Marchuk raises issues related not only to technical aspects, but also ethical ones, which makes his work especially valuable. Readers will be able to reflect on how technology can influence the future of our planet and what decisions need to be made to ensure the safe and efficient use of nuclear energy. Style G. and . Marchuk is distinguished by clarity and accessibility, which allows even complex topics to be understood by a wide audience. He masterfully combines theory with practice, which makes his books not only tutorials, but also real guides to the world of nuclear physics. Among his other well-known works are "Fundamentals of Nuclear Physics" and "Theory of Nuclear Reactors", which also deserve attention and can supplement the knowledge gained from the "Numbered Methods of Calculation of Nuclear Reactors" .. If you are looking for literature that will help you better understand the principles of nuclear reactors and master the numerical methods, then the book G. and . Marchuk will be an indispensable assistant . It will not only expand your knowledge, but also inspire new research and discoveries in the field of nuclear energy. Read, explore and discover a world where science and technology intersect to create a future full of possibilities.