"Niilo Skalm: Viisirätöksinen historiskie murhenäytelmä" is a book by the Finnish writer Kjosti Vilkun. In this work, the author tells the story of the main character Niilo Skalma through five acts. Each act reveals new aspects of the main character's life and destiny, revealing his inner world, struggles and quests. The book not only tells about historical events, but also reveals a deep psychological portrait of the hero. "Niilo Skalm" is an exciting read that will leave you impressed by the story and the emotional swings of the main character.