Curious George learns about hibernation and decides to try sleeping through the cold winter months, just like a bear, and after he gets only one night of sleep, he wonders if he can have fun throughout the season.
Presents a children's study of animal hibernation and discusses where different animals hibernate and for how long, as well as the various animals who sleep through the winter such as bears, marmots, snakes, woodchucks, and others.
Presents information on hibernation, in simple text with illustrations, describing the various animals that hibernate, explaining why. how they eat, and how it helps them survive in the wild.
When Bear notices that winter is nearly here he hurries to tell Snail, after which each animal tells another until finally the already sleeping Bear is awakened in his den with the news.