Young discoverer series:   universe / 
Discovery Channel. 
 - New Delhi :  Popular Prokashan,   2006. 
 - 124 p. :  ill. ;  26 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>8179911802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science.
<br/><br/><label>Dewey Class. No.: </label>550