Today, the name of Lars Kepler is synonymous with the perfect Scandinavian thriller. After the debut of The Hypnotist, which became an international sensation, the world waits with bated breath for each new book about the adventures of the Stockholm investigator Jona Linna. “The Sandman is the fourth novel in this beloved detective series.Police find a young man wandering along the railroad tracks, barely alive from hypothermia and a lung infection. In the hospital, it turns out that according to the documents, the young man has been dead for seven years. His hypothetical killer Walter Jurek, who was once arrested by Yona Linna, was sentenced to compulsory psychiatric treatment and is in jail. New evidence forces the police to reopen a long-closed investigation. Things suddenly take a dangerous turn, and if someone does not penetrate the plans of the obsessed maniac, the irreparable will happen very soon.