Opal town / 
Rob Waring. 
 - Australia :  Heinle, Cengage Learning,  2009. 
 - 32 p. :  ill. col. ;  21 cm. 
 - Footprint reading library .
<br/><br/> "National geographic" - cover. 
<br/><br/><label>ISBN: </label>9781424011049 (pbk.)   B 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Textbooks for foreign speakers.