Schuh, Mari C.,

Light / by Mari Schuh. - Pbk. ed. - Collingwood, ON : Saunders Book Co., 2010, c2009. - 24 p. : col. ill. ; 23 cm. - First science Blastoff! readers 4 .

Includes bibliographical references and index.

ISBN: 9781926660363

Nat. Bib. Agency Control No.: 20099031612

Subjects--Topical Terms:
Light.
Science

Dewey Class. No.: j535