The grolier science encyclopedia:  Planet earth/ 

 - London :  Grolier In-Home Learning Expert,  2000. 
 - 48 pages, volume 1 :  colored illustrations, figures, maps ;  30 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9780753413104 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and Dictionaries.<br/>World Facts.<br/>General Knowledge.
<br/><br/><label>Dewey Class. No.: </label>031  / G89