The book of the greatest historian of the revolution and the Civil War S.P. Melgunova "Red Terror in Russia" is a documentary evidence of the atrocities of the Bolsheviks committed under the slogan of the struggle against class enemies in the first years after the October coup. It is based on testimony collected by the historian from various sources, but primarily from the print media of the Cheka itself ("Weekly Cheka," the magazine "Red Terror"), even before his expulsion from the USSR.