The book "Pioneer Boys of Yellowstone; or, Lost in the Land of the Wild". The adventure novel written by Seng Rathborn invites readers on an exciting journey to the wonderland of Yellowstone National Park. The main characters, four outstanding boys, become real explorers of a huge, mysterious area, ready to take risks for the sake of discoveries and incredible adventures. They dared to find themselves in danger, overcoming the obstacles of nature and looking for a way out of difficult situations. "The Pioneer Boys of Yellowstone; or, Lost in the Land of the Wild" is an exciting story of courage, bravery and friendship that will teach readers to appreciate unique natural resources and confidently step into the unknown.