Mommie Bear and Cubby, her son, plan a journey from their cave under the Grand Teton peak to Wonderland -- Yellowstone Park. Cubby was delighted by the idea of such a long and wonderful journey and his surprise increased when they reached the Park. What happened there to Cubby and his mother is told in a manner that will charm and instruct the girls and boys who are introduced to Cubby and follow his adventures. Originally published in 1932.