a bilingual children's book that presents the classic German folktale of the Pied Piper of Hamelin in both Polish and English. The story follows a town plagued by a rat infestation and a mysterious piper who promises to rid the town of the rats in exchange for payment. When the townspeople fail to honor their agreement, the piper takes a drastic revenge. This retelling raises important moral questions about fairness, responsibility, and the consequences of breaking promises.