Morrison, Yvonne <br/><br/>
Earth matters 
Yvonne Morrison 
 - New Yprk  Children's Place  c2008 
 - 36 p.;  25 cm. 
 - Shock wave .
<br/><br/><label>ISBN: </label>0-531-17747-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Juvenile literature<br/>Conservation pf nature resources--Juvenile literature
<br/><br/><label>LC Class. No.: </label>QH 541.14  / M67 2008