Rigby. <br/><br/>
Scraping the sky :   leveled reader grade 4./ 
Rigby. 
 - 	[Place of publication not identified] :   Rigby Education,   2001. 
 - 32 p.:  ill.;  20cm.  
 - 	 .
<br/><br/><label>ISBN: </label>0757819907 
<br/><br/><label>Dewey Class. No.: </label>973 SCR 2001