Border, Rosemary,  1943- <br/><br/>
Pollution / 
Rosemary Border. 
 - 22 pages :  illustrations ;  21 cm. 
 - Oxford bookworms. Factfiles, Stage 2 .
 - Oxford bookworms.  Stage 2.  Factfiles, .
<br/><br/><label>ISBN: </label>0194228681 9780194228688 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers (Elementary)<br/>Pollution--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>428.64