Empower B1 :  pre-intermediate teacher's book / 
Lynda Edwards ... [et al.] 
 - Cambridge :  Cambridge University Press,  2015 
 - 288 p. :  ill. ;  30 cm. 
 - Cambridge English .
 - Cambridge English .
<br/><br/><label>ISBN: </label>9781107466715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign speakers