"Polar bears." . . . . . "Electronic books" . . . "Polar bears" . "Polar bears"@en . . "Dr. Bob and his trusty canine assistant, Hank, introduce polar bears, including where they live, what they eat, and their physical characteristics."@en . "Juvenile works" . . . "Juvenile works"@en . . "Explains facts about polar bears including where they live, how strong they are, what their life cycle is like, and how dangerous they can be." . . . . . "JUVENILE NONFICTION / Animals / Bears" . .