Ruttle, Keith. <br/><br/>
Our earth is unique/ 
by keith Ruttle 
 - [S.L]:  Oxford University Press,   c2006. 
 - 32P.:  Col. ill; 
 - 	Treetops non-fiction.   Stage 16 .
<br/><br/> includes glossary and index 
<br/><br/><label>ISBN: </label>9780199179480 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth (Planet)
<br/><br/><label>Dewey Class. No.: </label>J 550 RUT