Rosenstock, Barb. <br/><br/>
The camping trip that changed America :  Theodore Roosevelt, John Muir, and our national parks / 
by Barb Rosenstock ; illustrated by Mordicai Gerstein. 
 - New York, N.Y. :  Dial Books for Young Readers,  c2012. 
 - 1 v. (unpaged) :  col. ill. ;  30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780803737105 (hardcover) 
<br/><br/><label>LCCN: </label>2011021927 
<br/><br/><label>Subjects--Personal Names: </label><br/>Roosevelt, Theodore, 1858-1919 --Travel--California--Yosemite Valley--Juvenile literature.<br/>Muir, John, 1838-1914 --Juvenile literature.
<br/><br/><label>Subjects--Topical Terms: </label><br/>National parks and reserves--History--United States--Juvenile literature.<br/>Environmentalism--History--United States--Juvenile literature.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Yosemite National Park (Calif.)--History--Juvenile literature.
<br/><br/><label>LC Class. No.: </label>E757  / .R93 2012 
<br/><br/><label>Dewey Class. No.: </label>979.4/47