"The Assassin: A Novel" by Arthur Schnitzler is a work that reveals feelings of guilt, fear and mystery. The main character finds himself in a difficult situation when he learns about a crime that was committed during the night. Doubts and hints that he may be the killer haunt him throughout the novel, revealing his inner conflicts and moral contradictions. The reader is introduced to a world where reality and fantasy intertwine, and the line between good and evil becomes extremely thin. A sense of tension and drama is present on every page of this fascinating novel that makes you think about the nature of the human soul and morality.