Cambridge English Empower. Level A2 Combo a with Online AssessmentAdrian Doff · First published 2015Open the Tome
Empower B2. Upper Intermediate. Combo B. Per le Scuole Superiori. Con Espansione OnlineAdrian Doff · First published 2015Open the Tome
Empower. B1 Pre-Intermediate. Student's Book. Per le Scuole Superiori. Con Espansione OnlineAdrian Doff · First published 2015Open the Tome
Language in UseAdrian Doff, Christopher Jones · First published 1991 · Latest edition 2000Open the Tome
Meanings into wordsAdrian Doff, Christopher Jones, Keith Mitchell · First published 1983Open the Tome
