Walker, Sally M.

Caves / by Sally M. Walker. - Minneapolis, MN : Lerner, c2008. - 48 p. : col. ill. ; 23 cm. - Early bird Earth science. .

Includes bibliographical references (p. 45) and index.

Text and pictures describe the Earth's caves, including their different types, animal life, and how people explore them.

ISBN: 9780822567349 (lib. bdg. : alk. paper) 0822567342 (lib. bdg. : alk. paper)

LCCN: 2006038098

Subjects--Topical Terms:
Caves.
Cave ecology.

Dewey Class. No.: 551.44/7