Young, Donald <br/><br/>
(The) Sierra Club book of our national parks 
/ Donald Young with Cynthia Overbeck Bix 
 - San Francisco  Sierra Club Books  1990 
<br/><br/><label>ISBN: </label>0316977446  
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks and reserves - United States - Juvenile literature
<br/><br/><label>LC Class. No.: </label>E  / 160 You