The book "Practical Guide to Radiochemistry" by A. N. Nesmeyanova is a unique work that immerses the reader in the fascinating and complex world of radiochemistry, a science that studies radioactive elements and their interaction with the environment. This publication will be an indispensable assistant for both students and professionals working in the field of chemistry, physics, medicine and ecology. Nesmeyanov, a well-known Russian scientist and specialist in the field of radiochemistry, created this guide based on his many years of experience and deep knowledge. The book covers a wide range of topics, ranging from the basics of radiochemistry to modern methods of analysis and application of radioactive isotopes. The author shares his observations and conclusions, which makes the text not only scientifically sound, but also accessible for understanding. In the Practical Guide to Radiochemistry, the reader will find many examples and practical problems that will help to consolidate the knowledge gained. The book includes detailed descriptions of methods of working with radioactive materials, their safe use and disposal. This is particularly relevant in light of current challenges related to environmental issues and safety at work. Nesmeyanov emphasizes the importance of observing precautions and ethical norms, which makes work not only scientific, but also socially responsible. This book will be of interest to students and graduate students studying chemistry and physics, as well as specialists working in the field of radiation safety, medical radiology and nuclear energy. It can also attract the attention of scientists and researchers seeking to deepen their knowledge in the field of radiochemistry and its practical application. The topics raised in the book cover not only the technical aspects of radiochemistry, but also philosophical issues related to the use of radioactive materials. Nesmeyanov discusses ethical dilemmas arising in the process of scientific research and practical application of radiochemistry, which makes the book relevant and multifaceted. The author's style is distinguished by clarity and accessibility, which allows the reader to easily assimilate even the most complex concepts. Nesmeyanov has many scientific publications and works, among which are “Basics of radiochemistry” and “Radioactive isotopes in medicine” .. His experience and authority in the scientific community make this guide particularly valuable. If you are looking for a book that will not only expand your knowledge of radiochemistry, but also make you think about its role in the modern world, the Practical Guide to Radiochemistry will be an excellent choice. This publication will not only teach you the basics of radiochemistry, but will also help you understand how this knowledge can be applied to solve the pressing problems facing humanity. Thus, the "Practical Guide to Radiochemistry" A. N. Nesmeyanova is not just a textbook, but a real find for everyone who is interested in science and its impact on our lives. Do not miss the opportunity to immerse yourself in the world of radiochemistry and discover new horizons of knowledge!