The book "Essay on some unsolved questions of political economy" by the outstanding English philosopher and economist John Stuart Mill is one of the most important works in the field of economic theory. In these essays, the author expresses his thoughts on key issues of political economy, analyzing the relationship between economic processes and social phenomena. From this book, the reader can learn more about the theory of value, the law of supply and demand, as well as about the role of the state in the economy. Mill's Essays are known for their argumentative and in-depth analysis of economic processes, making this book a must for anyone interested in economic theory.