K L · Koustaff Lesley Rivers Susan · Lesley Koustaff
| title | ISBN-13 | year of publication |
|---|---|---|
| Oxford Discover: 1: Student Book | 978-0-19-427855-3 | 2013 |
| Oxford Discover: 1: Workbook | 978-0-19-427858-4 | 2014 |
| Oxford Discover: 2: Student Book | 978-0-19-427863-8 | 2014 |
| Oxford Discover: 2: Workbook | 978-0-19-427866-9 | 2014 |
| Oxford Discover: 3: Student Book | 978-0-19-427871-3 | 2013 |
| Oxford Discover: 3: Workbook | 978-0-19-427873-7 | 2014 |
| Oxford Discover: 4: Student Book | 978-0-19-427878-2 | 2014 |
| Oxford Discover: 4: Workbook | 978-0-19-427880-5 | 2014 |
| Oxford Discover: 5: Workbook | 978-0-19-427887-4 | 2014 |
| Oxford Discover: 6: Workbook | 978-0-19-427894-2 | 2014 |