The Nest of the Migratory Sphinx

It makes you want to exclaim: "God, deliver me from relatives, and I'll manage with the enemies myself!" Ivan Podushkin had never before had to play the role of an interior specialist. But such secrecy was justified. The writer Konstantin... Amaretti, who invited the detective to his estate, did not want his mother and younger brother to know who Podushkin really was and why he was there.
The reason for the visit was compelling: recently, Amaretti had started receiving anonymous letters with threats, and he had every reason to believe that the author of these "creations" was someone from his relatives. But soon the private detective had to investigate a much more serious crime! During his conversation with Konstantin, a wild scream resonated from the library. The gathered household members and Podushkin discovered there the body of the unfortunate housekeeper Inessa with a strangely twisted head. But what shocked Ivan the most was the reaction of the estate owner. For some reason, he categorically refused to call the police...