Count Averin. Sorcerer of the Russian Empire

The first book in the series about the legendary investigations of Count Averin. Alternative Russian Empire. Magical Petersburg, 1982. Count Averin, a sorcerer and detective, investigates the murder of a nobleman's son, in which demons, cruel magical beings from the Wasteland, are accused. They obey humans but go out of control at the slightest scent of blood or weakness from their master. Averin realizes that this is not the first murder, and a very powerful demon is behind the crimes. At the same time, a huge demonic cat appears in Petrograd...