Solorzano, Helen S. <br/><br/>
Northstar : Listening and speaking / Helen S. Solorzano, Jennifer P.L. Schmidt. 

 - 3rd ed. 
 -  White Plains, NY : Pearson Education, 2009 
 - v. <2, 5> : col. ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>9780136133131 (pbk. : student text bk. level 3 : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language --Textbooks for foreign speakers. English language --Spoken English --Problems, exercises, etc. Listening --Problems, exercises, etc.