Radiochemical processing of spent nuclear fuel . Training Manual . H. 2. Non-aqueous methods” under the authorship of a team of authors, in particular C. and . Stepanova, is an important and relevant publication for specialists in the field of nuclear energy and radiochemistry. This manual is the second part of a series devoted to nuclear fuel reprocessing and focuses on non-aqueous methods, making it particularly valuable for undergraduate, graduate and practicing engineers seeking to deepen their knowledge in the field. The book covers a wide range of topics related to radiochemical processing, including methods for extracting and separating radionuclides, as well as technologies used to recycle spent nuclear fuel. Unlike the first part, which is mainly focused on water methods, this manual focuses on alternative approaches, which opens up new horizons for research and practical application. The reader will be able to learn about modern technologies, such as extraction using organic solvents, and their application in the recycling process. Who can like this manual? First of all, it will be useful for students of technical and natural sciences, studying nuclear physics, radiochemistry and ecology . The book will also be of interest to graduate students and young scientists engaged in research in the field of nuclear energy and radiation safety. Practitioners working in the field of nuclear fuel processing will find in it valuable recommendations and the latest data that will help them in their professional activities. The topics raised in the book are highly relevant in light of the global challenges related to nuclear waste management and environmental safety. With the growing dependence of mankind on nuclear energy, the issues of efficient processing of spent fuel are becoming increasingly important. The book not only provides scientific and practical knowledge, but also raises questions about the future of nuclear energy, sustainable development and environmental protection. The style of the authors is distinguished by the clarity and accessibility of the presentation, which makes complex topics understandable even for readers who do not have deep knowledge in the field of radiochemistry. The team of authors includes experts with many years of experience in this field, which gives the book additional value. Among other well-known works of the authors are works on nuclear physics, radiation safety and technologies for processing nuclear waste, which confirms their high level of expertise. Radiochemical processing of spent nuclear fuel . Training Manual . H. 2. Non-aqueous methods” is not just a textbook, but an important contribution to the development of science and technology related to nuclear energy. It will become an indispensable assistant for all who seek to understand the intricacies of radiochemical processing and contribute to solving current problems related to nuclear waste. Readers interested in topics such as ecology, sustainable development, and nuclear safety will find this book a wealth of useful information and inspiration for further research.