About the book: year / The cemetery school is known for its dubious reputation: ghosts in the corridors, mysterious disappearances of teachers and students, the terrifying smile of the headmistress... Chilling sounds are heard in the dark school basement groans from the soul. Who is imprisoned there in an iron cage? And what strange changes happened to the new teacher, who at first seemed kind and nice to everyone? Bent and his classmate Maria decide to solve this mystery.…