World Book's solar system & space exploration library : Neptune and Pluto. Neptune and Pluto. - Chicago, IL : World Book, c2006. - 63 p. : col. ill. ; 24 cm. - World Book's solar system & space exploration library. .

Includes bibliographical references and index.

ISBN: 0716695073 0716695006 (set)

LCCN: 2005030449

Subjects--Geographic Terms:
Neptune (Planet).
Pluto (Planet).