Ring, Susan Polar babies / Susan Ring. - New York : Scholastic, 2000. - 32 p. : col. ill.: 23 cm. - Step into reading . Lex: BR English ISBN: 0-439-30922-0 Subjects--Topical Terms: Polar bear--Infancy--Juvenile literaturePolar bearBearsAnimals--Infancy LC Class. No.: 599.7 R47p