Lauber, Patricia. <br/><br/>
Be a friend to trees / 
by Patricia Lauber ; illustrated by Holly Keller. 
 - 1st ed. 
 - New York, NY :  HarperCollins Publishers,  c1994. 
 - 32 p. :  col. ill. ;  21 x 27 cm. 
<br/><br/> Discusses the importance of trees as sources of food, oxygen, and other essential things. 
<br/><br/><label>ISBN: </label>978-0785733393 :  $15.00 ($20.00 Can.) 0060215291 (lib. bdg.) 0064451208 (pbk.) 
<br/><br/><label>LCCN: </label>92024082  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trees--Juvenile literature.<br/>Trees--Utilization--Juvenile literature.<br/>Trees.
<br/><br/><label>LC Class. No.: </label>QK475.8  / .L38 1994 
<br/><br/><label>Dewey Class. No.: </label>582.16