McNulty, Faith. How whales walked into the sea / by Faith McNulty ; illustrated by Ted Rand. - 1st ed. - New York : Scholastic Press, c1999. - 1 v. (unpaged) : col. ill. ; 26 cm. Explains how the earth's biggest mammal evolved from a land animal into a sea animal. ISBN: 0590898302 (hc.) 0590898310 (pbk.) LCCN: 98038211 Subjects--Topical Terms: Whales--Evolution--Juvenile literature.Whales--Evolution.Evolution. LC Class. No.: QL737.C4 / M37 1999 Dewey Class. No.: 599.5/138