Headway Intermediate 1st Edition 1997 (Student's Book)
Headway Elementary 1st edition 1997 (Teacher's Book)
Headway Elementary - 1st Edition 1997 (Workbook)
1st_Edition_Advanced_StudentsBook
Headway Pre-Intermediate1st Edition 1998 (Workbook)
Headway Beginner 2nd Edition 2002 (Workbook)
1st_Edition_Advanced_PhrasalVerbs_and_Idioms
1st_Edition_UpperIntermediate_StudentsBook