Cole, Michael D. The Moon : earth's companion in space / Michael D. Cole. - Berkeley Heights, N.J. : Enslow Publishers, c2001. - 48 p. : col. ill. ; 24 cm. - Countdown to space . Includes bibliographical references (p. 47) and index. ISBN: 0766015106 LCCN: 00010021 Subjects--Geographic Terms: Moon--Juvenile literature.Moon. LC Class. No.: QB582 / .C47 2001 Dewey Class. No.: 523.3