Walker, Sally M.

Soil / by Sally M. Walker. - Minneapolis, MN : Lerner Publications Co., c2007. - 48 p. : col. ill. ; 23 cm. - Early bird Earth science. .

Includes bibliographical references (p. 45) and index.

What is soil? -- How soil forms -- Layers of soil -- What soil looks like -- Taking care of soil.

ISBN: 082255948X 9780822559481 9780822566229 (pbk.) 0822566222 (pbk.)

LCCN: 2005032222

Subjects--Topical Terms:
Soils.
Soil ecology.

Dewey Class. No.: 631.4