"Economic Theory" by T. A. Zysi and N. A. Kiseleva is a fascinating and deep immersion in the world of economics, which will be an indispensable tool for both students and anyone interested in the basics of economic science. In this work, the authors offer the reader not just a set of theoretical knowledge, but also a practical understanding of the economic processes that shape our lives. The first part of the book discusses the basic concepts and principles of economic theory. The authors explain how markets function, what factors influence supply and demand, and how economic decisions are made. Using accessible language and real-life examples, they make complex economic ideas understandable to a wide audience. This is especially important for those who are just beginning their journey in the study of economics, but also for experienced professionals who want to refresh their knowledge. The book "Economic Theory" will be of interest not only to students of economic specialties, but also to anyone who wants to understand complex issues related to finance, business and government regulation. It is suitable for both young and more mature readers seeking to understand how the economy works in the context of globalization and constant changes. If you are interested in issues related to economic development, investment, entrepreneurship or even everyday financial decisions, this book will be a real discovery for you. The topics raised in "Economic Theory" cover a wide range of issues, from the fundamentals of micro- and macroeconomics to the analysis of modern economic systems. The authors are not afraid to address current issues, such as economic crises, inequality and sustainable development. They invite readers to critically reflect on existing models and approaches, making the book not only a textbook, but also a source for reflection on the future of the economy. Style T. A. Zysi and N. A. Kiselyova is distinguished by clarity and logical presentation .. The authors skillfully combine theory with practical examples, which allows the reader not only to remember information, but also to apply it in life. Their previous work is also noteworthy, as they have already established themselves as experts in economics and finance. By reading "Economic Theory", you will be able to assess how deeply and comprehensively they approach the issues being studied. This book will be an excellent addition to the library of anyone who wants to be aware of modern economic realities. It can also be useful for teachers who are looking for quality materials for their students. Do not miss the opportunity to expand your horizons and immerse yourself in the fascinating world of economics with the help of the "Economic Theory" T. A. Zysi and N. A. Kiseleva . If you are looking for books on economics that will help you understand complex issues, such as “what is the economy?”, “how does the market work?” or “why do economic crises occur?”, then this work will be a real find for you. Do not miss the chance to learn more about how the economy affects our lives and what opportunities it opens up for each of us.