Llewellyn, Claire.

Light and dark / by Claire Llewellyn. - 1st ed. - North Mankato, MN : Cherrytree Pub., 2005. - 24 p. : col. ill. ; 26 cm. - Start-up science . - LLewellyn, Claire. Start-up science. .

Haradcover

Includes bibliographical references (p. 22-23) and index.

ISBN: 1842343335

LCCN: 2004065530

Subjects--Topical Terms:
Light.

LC Class. No.: QC360 / .L555 2005

Dewey Class. No.: 535