Douglas, Nancy. <br/><br/>
Reading explorer. 1 / Nancy Douglas. 

 - Boston : Heinle Cengage Learning, c2009. 
 - 160 p. : ill. (some col.) ; 28 cm. 
<br/><br/> At head of cover: National Geographic. 
<br/><br/><label>ISBN: </label>9781424043620 142404362X 
<br/><br/><label>LCCN: </label>2009293453 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reading comprehension<br/>Discoveries in geography