Junior encyclopedia : our universe 
Junior encyclopedia our universe 
 -  224 pages : col.ill ; hbk. 
 - New Delhi  Sterling New Horizons Pvt. Ltd.   9999 
<br/><br/><label>ISBN: </label>9788193315859 
<br/><br/><label>Dewey Class. No.: </label>030 STE  / 22.030 STE