| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Advantage Junior Secondary Maths Pupil's Book 7 Nigeria | 978-1-4058-6916-4 (1-4058-6916-X) | 2008 | Helen Whittaker · Helena Roos · Dr Abayomi Arigbabu |
| Advantage Junior Secondary Maths Workbook 1 Nigeria | 978-1-4058-6936-2 (1-4058-6936-4) | 2008 | Helen Whittaker · Helena Roos · Lorraine De Flamingh · Dr Abayomi Arigbabu |
| Advantage Junior Secondary Maths Workbook 2 Nigeria | 978-1-4058-6937-9 (1-4058-6937-2) | 2008 | Helen Whittaker · Lorraine De Flamingh · Dr Abayomi Arigbabu |