Walker, Sally M.

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

Includes index.

What is a rock? -- Igneous rocks -- Sedimentary rocks -- Metamorphic rocks -- The rock cycle.

ISBN: 9780822559474 (lib. bdg. : alk. paper) 0822559471 (lib. bdg. : alk. paper)

LCCN: 2005032220

Subjects--Topical Terms:
Rocks.

LC Class. No.: QE432.2 / .W345 2007

Dewey Class. No.: 552