| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Contemporary English 1: Workbook | 978-0-07-253987-5 (0-07-253987-9) | 2003 | Richard Firsten |
| Contemporary English Level 2 Student Workbook, 2nd Edition | 978-0-07-254000-0 (0-07-254000-1) | 2004 | Richard Firsten · McGraw-Hill Contemporary |
| Contemporary English Level 3 Student Workbook, 2nd Edition | 978-0-07-253980-6 (0-07-253980-1) | 2003 | Richard Firsten · McGraw-Hill Contemporary |
G.S. · Gary Schotter · Gary Scudder · Gary Straw · Gerry Souter