Cubby in Wonderland by Frances Farnsworth

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.

Wyoming author Frances Joyce Farnsworth wrote seven children's books focused on animals, nature, and National Parks.