English FIRSTHAND Level 1, (5th Edition)Marc Helgesen, John Wiltshier, Steven Brown · First published 2018Open the Tome
English FIRSTHAND Level 2 (5th Edition)Marc Helgesen, John Wiltshier, Steven Brown · First published 2018Open the Tome
Workplace EnglishMarc Helgesen, Keith Adams · First published 1995 · Latest edition 1997Open the Tome
Beginning Listening Skills Student's BookMarc Helgesen, Steve Brown · First published 1993Open the Tome
New English firsthand plusMarc Helgesen, T. Mandeville, R. Jordan · First published 1991Open the Tome
