"Otto the Rhino" is a Ukrainian classic children's work written by the Polish writer Olgerd Grebos. The book tells the story of a boy named Otto, who suddenly turns into a rhinoceros under the influence of a mysterious curse. To break this curse, Otto must overcome many obstacles, trials and adventures. Under each fun and interesting episode lies a deep cognitive content about the interaction of people and the world around them. The book's characters teach young readers important life values such as friendship, loyalty, courage, and self-belief. "Otto the Rhino" is a beautiful fairy tale that fascinates with its wisdom and unique humor, creating a special world for children and adults.