50 Simple Things Kids Can do to Save the Earth 

 - 5th ed 
 - Kansas City :  Andrews and McMeel,  1990 
 - 156 p. :  ill. 
<br/><br/><label>ISBN: </label>0836223012 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection--Citizen participation--Juvenile literature.<br/>Environmental protection.
<br/><br/><label>LC Class. No.: </label>TD171.7  / F5