Intermediate language practice : English grammar and vocabulary : [suitable for students at PET/B1 level : with key] /

by Vince, Michael
Published 2010

New Headway : upper-intermediate : student´s book /

by Soars, John, 1951-, Soars, Liz, 1945-
Published 2014

Language links : grammar and vocabulary for self-study : beginner, elementary /

by Doff, Adrian, Jones, Christopher
Published 2005

New headway elementary : student's book /

by Soars, Liz, 1945-, Soars, John, 1951-, Wheeldon, Sylvia
Published 2007