«King Matt the First» in Polish with a Parallel Translation

"King Matt the First" is a children's book by Polish writer Janusz Korczak, telling the story of King Mattias I, the youngest king in history ever to rule. The book revolves around the King's efforts to improve the lives of his subjects, including dealing with financial difficulties. King Mattias' unique approach to ruling and his principles make him a heartwarming and inspiring character.