The book “The Revenues of the Budget System” by Popov is a deep and comprehensive study that immerses the reader in the world of financial policy and management of state resources. In the context of modern economic realities, when budget issues become especially relevant, this work offers not only theoretical foundations, but also practical recommendations that can be useful to both specialists and ordinary citizens interested in the economy. In his book, Popov examines the key aspects of the formation of revenues of the budget system, ranging from tax policy to mechanisms for the distribution of budget funds. The author focuses on how various factors from the economic situation in the country to international trends affect budget revenues. The reader will be able to find out what tax reforms have been carried out in recent years, and how they have affected the financial condition of the state and its citizens. This book will be of interest to a wide range of readers: from undergraduate and graduate students of economic and financial specialties to practitioners in public administration and finance. It can also attract the attention of those who just want to better understand how the budget system functions and what mechanisms underlie the formation of state revenues. If you are interested in taxation, public policy, or want to understand how public finance is managed, Budget Revenues will be a real guide for you. The topics raised in the book cover a wide range of issues, from tax revenue analysis to discussion of the social impacts of fiscal policy. Popov is not afraid to raise sensitive issues, such as inequality in the distribution of budget funds and the impact of corruption on the financial system. These aspects make the book particularly relevant in light of the contemporary challenges faced by states around the world. The author's style is distinguished by clarity and accessibility, which allows even complex financial concepts to be presented in an understandable form. Popov uses many examples and illustrations, which helps the reader to better absorb the material. His previous works, such as “Financial Policy of the State” and “Budgetation in Crisis”, have also been recognized for their in-depth analysis and practical focus. Revenues of the budget system continues this tradition, offering readers not only theoretical knowledge, but also practical tools for analyzing and understanding budget processes. The book also addresses important issues concerning the future of the budget system in the context of globalization and digitalization. How will approaches to taxation change in the digital economy era? How can states adapt to new challenges and use innovative methods to increase budget revenues? These issues are becoming increasingly relevant, and Popov offers his views on these important topics. In conclusion, the “income of the budget system” is not just a textbook, but a real find for everyone who wants to understand more deeply how the financial system of the state functions. The book will become a reliable assistant for students, researchers and practitioners, as well as for everyone who is interested in economics and wants to be aware of current trends. If you are looking for high-quality literature on economics that combines theory and practice, then this work should definitely take its rightful place on your shelf.