| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| High Impact: Citizenship Pack | 978-0-435-21316-9 (0-435-21316-4) | 2003 | Mr Bob Hescott · Mr Steve Deproost · Mr Mark Morris |
| High Impact Set D Non-Fiction: Drugs | 978-0-435-21495-1 (0-435-21495-0) | 2001 | |