The book "Killer" is an exciting detective story written by a famous author of thrillers. The story unfolds in a modern big city, where a series of brutal murders shock the local residents. The main character, an experienced detective, decides to take the investigation into his own hands, despite his inner demons and his own trauma. He feels that the killer is trying to send him some important message through his crimes. Filled with tension and anxiety, the detective gets closer and closer to the solution, revealing shocking and unexpected facts. "The Killer" is a book that keeps the reader in suspense until the very end, leaving him with tears in his eyes and the feeling that he can hardly tear himself away from the pages of this fascinating detective story.