Empower B2 / 
Adrian Doff ... [et al.] 
 - Cambridge :  Cambridge University Press,  2015 
 - 4 v. :  col. ill. ;  30 cm. +  2 CD-ROM, 2 DVD-ROM 
 - Cambridge English .
 - Cambridge English .
<br/><br/>Vol. 1. Student's book with online access /  Adrian Doff ... [et al.] -- v. 2. Student's book /  Adrian Doff ... [et al.] -- v. 3. Teacher's book /  Lynda Edwards -- v. 4. Workbook with answers /  Wayne Rimmer 
<br/><br/><label>ISBN: </label>9781107468757 (v.1) 9781107468771 (Class audio CDs) 9781107468726 (v.2) 9781107468801 (Class DVD) 9781107468887 (Presentation plus) 9781107468917 (v.3) 1107468914 (v.3) 9781107469044 (v.4) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers<br/>English language--Grammar--Problems, exercises, etc.