The name of Nikolai Ivanovich Yezhov is known to almost any person in our country and many abroad. This book, on the basis of never before published archival documents, including materials from his 12-volume investigative case, tells about the main stages of the life of N.I. Ejov, while priority is given to his activities as People's Commissar of Internal Affairs of the USSR during the period of mass repressions of the late 30s. Last century. Another protagonist of the book is I.V. Stalin, who, in the words of the famous Soviet writer A.A. Fadeev, "grew Yezhov like a gardener grows the tree he loves." The relationship between these two people, from the moment of the investigation into the circumstances of the murder of S.M. Kirov in December 1934 and up to the final point, set in February 1940, is an important plot outline of this historical study.