About the book: year / The book was created on the basis of the notes of the actual state councilor for the police department of Tulin, Evgraf Mikhailovich. When he was a detective in the Moscow detective unit, he had to unravel a tangle of intrigues associated with the theft of secret drawings of new weapons at the Imperial Arms Factory in Tula. Face mysterious deaths, mysticism, deception and inexplicable situations. The policeman's opponents were sectarians from the famous Skoptsy community and international swindler Savin.