In this book, a partner of PM Expert, one of the leading Russian consulting companies in the field of project management, details the provisions of the most famous American standard for project management. The author is considering the sixth edition of PMBOK. In addition to the actual presentation of the standard, the book contains valuable author's comments and recommendations that significantly complement and enrich its main content. In addition, the publication includes a Russian-English glossary on project management. The book will be useful to project managers, top managers of companies, heads of functional divisions, students, graduate students and teachers of universities of an economic and managerial profile.