For more than 50 years, the publication of Comments on Capital has helped to seriously work with the main work of K. Marx. The Comments trace in detail the research method of K. Marx. The text allows the reader to confidently follow the course of K. Marx's thought in Capital, to understand the subject and procedure for studying chapters, departments, and each volume. Clarifying the subject and order of research from the very beginning focuses on the whole, on the connection of parts, on their unity, on a serious study of the entire "Capital" by K. Marx