Cambridge English : empower, intermediate student's book. B1+/ 
Adrian Doff, Craig Thaine, Herbert Puchta, Jeff Stranks, Peter Lewis-Jones 
 - Cambridge  Cambridge University Press  2015 
 - 175p.  Unique Activation Code 
<br/><br/><label>ISBN: </label>97811074666883 
<br/><br/><label>Dewey Class. No.: </label>428.24