Building english skills :  yellow level 
by The Writing Improvement Project 
 - Evanston, Illinois :  McDougal, Littell &Company,  1977. 
 - 283 p. :  ill. col. ;  21 cm. 
<br/><br/>Includes index. 
<br/><br/><br/>English text. 
<br/><br/><label>ISBN: </label>0883434687 
<br/><br/><label>Dewey Class. No.: </label>SHS 372.6 W93b 1977