The book "Sources of modern private law" by D. In. Erofeeva is a fascinating and in-depth study that immerses the reader in the world of private law, its foundations and sources. In the context of rapid changes in the legal system and social relations, this work becomes especially relevant, offering readers not only theoretical knowledge, but also practical recommendations. The author, known for his work in the field of law, offers the reader a unique look at the sources of private law, including laws, judicial precedents, doctrines and customs. Yerofeev not only lists these sources, but analyzes their impact on the development of the legal system, emphasizing how they form legal consciousness and law enforcement in modern society. The reader will be able to see how different sources interact with each other, creating a complex and multi-layered legal reality. The book will be of interest to both legal professionals and law students, as well as anyone who wants to understand the mechanisms of private law functioning more deeply. If you are interested in topics such as civil law, legal system, legal regulations or law enforcement, then this work will be a real discovery for you. It is suitable for readers of different ages, from students to practicing lawyers seeking to expand their knowledge and skills. The topics raised in the book cover a wide range of issues, including the interaction of private and public law, the role of international norms in the national legal system, and the impact of economic factors on lawmaking. Erofeev raises important questions about how modern society and its needs influence the formation of legal norms, and how law, in turn, reflects and regulates these changes. This makes the book not only a textbook, but also an important contribution to scientific discussions about the future of private law. The author's style is distinguished by clarity and accessibility, which allows even complex legal concepts to be presented in an understandable and fascinating form. Erofeev masterfully combines theory with practical examples, which makes reading not only informative, but also fascinating. His previous works, such as Fundamentals of Civil Law and Law and Economics, have already established him as an authoritative expert in the field of law, and the new book only strengthens this reputation. “The Sources of Modern Private Law” is not just a book, but a real find for anyone interested in law. It offers the reader the opportunity not only to expand his knowledge, but also to reflect on the role of law in society. If you are looking for a deep and meaningful analysis of the sources of private law, which will be useful for both study and practice, then this work will become your faithful companion. Do not miss the chance to touch the current issues of law and gain new knowledge from one of the best specialists in this field.