World Book's solar system & space exploration library : Mercury and Venus. Mercury and Venus. - Chicago, IL : World Book, 2006. - 63 p. : col. ill. ; 24 cm. - World Book's solar system & space exploration library. .

Includes bibliographical references and index.

ISBN: 0716695022 0716695006 (set)

LCCN: 2005026875

Subjects--Geographic Terms:
Mercury (Planet).
Venus (Planet).