Trouble in the Rockies 
Trouble in the Rockies 
 -  32 p. : col. ill. ; 19 cm. 
 - New York  Oxford University Press  2009 
<br/><br/><label>ISBN: </label>9780198471721 
<br/><br/><label>Dewey Class. No.: </label>823.0083 GUI  / 2.823.0083GUI