Zobel, Derek,

Earth / by Derek Zobel ; consultant, Duane Quam. - North Mankato, MN : Bellwether Media, c2010. - 24 p. : col. ill. ; 24 cm. - Blastoff! readers, 3 Exploring space .

"Level 3: early fluent"--Cover p. [4].

Includes bibliographical references and index.

ISBN: 9781600144042 1600144047

Nat. Bib. Agency Control No.: 20119029391

Dewey Class. No.: j525