Shawver, Mark. Whales / [book] - [Toronto] : Grolier, c1986. - 46 p. : col. ill. ; 22 cm. - Nature's children . Includes index. ISBN: 071721897X : $9.95 Nat. Bib. Agency Control No.: 840995687 Subjects--Topical Terms: Whales--Juvenile literature.Baleines--Ouvrages pour la jeunesse. Dewey Class. No.: j599.5