"On Duty" is a cult novel by Stephen King that transports readers to the supernatural world of "Central School". An evil power reigns in this terrible place, which manifests itself through dreams in the form of terrible nightmares. The main character, Danny Torrence, is assigned to be on duty at a school where strange and terrifying events are taking place. Tense atmosphere, confusing riddles, secrets of the past - all this awaits the reader in this fascinating book. "On Duty" is not only a thriller and horror, but also a story about friendship, loyalty and struggle with one's own demons. Will Danny be able to withstand this test and save his soul and the world from evil?