Peter Calverley · Peter Calvert · Peter Clover
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Insight | 978-0-85950-569-7 | 2004 |
| Insight: Tchrs' | 978-0-85950-570-3 | 2004 |
| Spotlight: English and Communication for the Certificate | 978-0-85950-567-3 | 2004 |
| Spotlight: English and Communication for the Certificate: Tchrs' | 978-0-85950-568-0 | 2004 |