Another Celebrated Dancing Bear -- Gladys Scheffrin-Falk, Paperback

Max, a celebrated dancing bear in the Moscow Circus, should have been carefree and contented. But how could Max be happy when his friend Boris was miserable in his hospital job among the grouchy lions and teasing monkeys? True friend that he is, Max resolves that Boris shall have a new and fulfilling career. He, Max, will teach Boris how to dance.

A New York Times Best Illustrated Children's Book in 1991.