Beatty, J. Kelly. <br/><br/>
Exploring the solar system :  other worlds / 
J. Kelly Beatty. 
 - Washington, D.C. :  National Geographic Society,  2001. 
 - 200 p. :  col. ill. ;  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>079227878X 0792278755 
<br/><br/><label>LCCN: </label>2001034252 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Solar system.