Two Bad Bears

Following up on their Larry books, in which the Pinkwaters chronicled a polar bear's hankering for blueberry muffins, Irving and Muktuk: Two Bad Bears by Daniel Pinkwater, illus. by Jill Pinkwater, showcases the town of Yellowtooth as it celebrates the New Year with a Blueberry Muffin Festival. Inevitably, shifty-eyed Irving and Muktuk sneak in, costumed as penguins, chefs or ""extremely large, hairy blueberry muffins."" Officer Bunny is finally driven to ship them to a zoo in Bayonne, N.J., ""the muffin capital of the world."" (Sept.)