The book "Fundamentals of the theory of national security" authored by Ilyichev is a deep and multifaceted study devoted to one of the most pressing topics of our time - national security. In the context of globalization and constant changes in international politics, security issues are becoming increasingly important for both states and individual citizens. Ilyichev, relying on extensive experience and knowledge in the field of political science, sociology and international relations, offers readers a unique view of this complex and multilayered problem. From the first pages of the book, the author immerses the reader in the world of theoretical foundations that underlie the concept of national security. It addresses not only traditional aspects, such as military security, but also more contemporary challenges, including economic, environmental, and information security. This makes the book especially relevant for those interested in modern security trends and want to understand how different factors affect the stability of states. Who can like this work? First of all, the book will be of interest to students and teachers of universities studying political science, international relations and security . However, it can also attract the attention of a wide audience - from government officials and analysts to ordinary citizens interested in the security of their country and the world as a whole. There are no age restrictions, but, of course, it will be easier for readers to perceive material with a certain level of education and interest in political and social issues. The topics raised in the book are extremely important in today's world.. Ilyichev explores how internal and external threats can affect the security of the state, and how important it is for each of us to be aware of our role in this process. It raises questions about how civil society can participate in security, and how important the role of the state is in protecting its citizens. These reflections make us think that security is not only a matter of state structures, but also of each of us. Ilyichev’s style is distinguished by clarity and accessibility, which allows readers to easily assimilate even the most complex concepts. He skillfully combines theoretical calculations with practical examples, which makes the material not only informative, but also fascinating. By reading the Fundamentals of National Security Theory, you will not only gain knowledge, but you will also be able to apply it in your life, realizing how important security is at all levels - from personal to global. In addition, Ilyichev is the author of other significant works on security and international relations, which confirms his status as an expert in this field. His books often become the main teaching aids in universities and are used by specialists in their practice. If you are looking for a book that will help you better understand what national security is, how it is formed and what factors affect it, then Ilyichev’s “Fundamentals of National Security Theory” is exactly what you need. This work will not only be a useful source of knowledge, but also an incentive for further reflection on the role of security in our lives. Do not miss the opportunity to expand your horizons and deepen your understanding of the most important issues of our time!