A mother grizzly teaches her cubs how to be bears.Zoologist Crumpton has written about everything from sharks to horses; here he focuses on a family of Alaskan brown bears. The tale begins with the mother bear emerging from her den with her two young cubs. Over the next two years, the youngsters learn skills that will help them survive on their own: to climb trees, to leave their scent for other bears, to forage for different kinds of food, to catch salmon in a fast-running river, and to avoid danger. At one point, the bears forage in a garbage can; Crumpton warns readers how perilous situations like this can be for bears and humans alike. The two-level text includes a smooth narrative ideal for reading aloud as well as further facts in a smaller font, all without personifying the animals. Larmour's mixed-media illustrations show the bears in their natural environment, focusing especially on the young bears' antics throughout the year. A double-page spread with an aggressive adult male comes as an impressive surprise. This is an ideal offering for youngsters just beginning to delve into nonfiction; helpfully, it ends with some simplified backmatter, including an author's note, a map, a website link to further information, and a short index.An appealing introduction to a widespread species. (Informational picture book. 4-8)