Oxford University Press · Random House
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Dream Breakers | 978-0-09-963480-5 (0-09-963480-5) | 1991 | |
| Numicon: Breaking Barriers Teaching Pack | 978-0-19-835411-6 (0-19-835411-8) | 2015 | Tony Wing · Romey Tacon · Ruth Atkinson |