The book “Small enterprises in the national economy: methodology of intersystem analysis” is a fascinating and in-depth study created by a team of authors that immerses the reader in the world of small and medium-sized enterprises (SMEs) and their role in the economic development of the country. This is not just a scientific work, but a real encyclopedia of knowledge that will be useful to both students and practitioners in the field of economics, management and entrepreneurship. The main idea of the book is to consider small businesses as an important element of the national economy, contributing to its sustainable development. The authors propose a unique methodology for intersystem analysis, which allows us to assess the impact of SMEs on various aspects of economic life. Readers will be able to learn how small businesses affect employment, innovation, social development, and even environmental sustainability. The book raises important questions about how supporting small businesses can lead to economic growth and improve the quality of life of the population. This monograph will be of interest to a wide range of readers: from undergraduate and graduate students studying economics and entrepreneurship, to practicing businessmen and civil servants involved in supporting small businesses. If you are interested in how small businesses can become a driving force for economic progress, this book will be a real guide for you. The themes that are raised in the book are diverse and relevant. The authors consider not only economic aspects, but also social, cultural and environmental factors affecting the development of small enterprises. They analyze how small businesses can contribute to job creation, the introduction of innovative technologies and the improvement of the quality of life in the regions. The book also addresses public policy issues in support of SMEs, making it particularly valuable for those interested in economic policy and governance. The style of the authors is distinguished by scientific rigor and accessibility. They skillfully combine theoretical foundations with practical examples, which makes the material understandable and easily digestible. The team of authors includes experts with extensive experience in the field of economics, which gives the book additional value. Their previous work is also noteworthy: many of them dealt with issues of entrepreneurship, innovation and economic development, which allows them to better understand and explain the complex processes taking place in the field of SMEs. The book “Small Enterprises in the National Economy: Methodology of Intersystem Analysis” will become not only a useful source of information, but also a real inspiration for those who want to contribute to the development of small businesses. It will help to understand how small businesses can become the basis for creating a sustainable and dynamic economy. If you are looking for literature that combines a scientific approach and a practical focus, this monograph should definitely take its rightful place on your bookshelf. Don’t miss the opportunity to learn more about how small businesses shape a country’s economic landscape and what role they play in today’s world. Read, analyze, apply the knowledge gained in practice - and, perhaps, you will become the one who will change the business world for the better!