Polar bears /
Sarah Palmer.
- Vero Beach, Fla. : Rourke Enterprises, c1989.
- 24 p. : col. ill. ; 19 X 20 cm.
- The Sea mammal discovery library .
- Palmer, Sarah, 1955- Sea mammal discovery library. .
Includes index.
Introduces the biggest, most powerful Arctic animal--the white polar bear.