Canyaking adventure / 
Rob Waring, series editor 
 - Australia :  Heinle, Cengage Learning,  2010 
 - 48 p. :  ill. ;  21 cm. 
 - Footprint reading library .
<br/><br/> "National geographic" - cover 
<br/><br/><label>ISBN: </label>1424011280  B 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Textbooks for foreign speakers<br/>Canyaking