The ideas of Professor P. P. Serkov on the problem of legal relations are considered through the prism of the theory and practice of today's legal policy. This issue was analyzed by him comprehensively, taking into account the information accumulated by representatives of various sciences. The book under review includes an interweaving of historical, psychological, sociological, anthropological, legal ideas, statistical data and attitudes to legal relations in the scientific literature, as well as an analysis of legislation. The author's approach to the study to the study of the mechanism of legal relations and political and legal processes in a broad context using the achievements of social and natural sciences is evaluated. Fundamental research can be the beginning of a new stage of reflection on legal policy, it can become an incentive for further research in the field of legal relations theory.