| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Case Studies in Business Planning | 978-0-273-03127-7 | 1989 | Bill Richardson · John Patterson · Peter Jennings |
| Case Studies in Business Planning: Tutors Gde | 978-0-273-03128-4 | 1989 | Bill Richardson · John Patterson · Peter Jennings |
| CBAC TGAU Daearyddiaeth | 978-1-5104-0310-9 | 2016 | Andy Leeder · Alan Brown · Gregg Coleman · Bob Digby · Val Davis |
| GCSE Geography for WJEC A Core Welsh Edition: TGAU Daearyddiaeth ar gyfer manyleb A CBAC DEWISIADAU | 978-1-4441-1842-1 | 2011 | Andy Owen · Andy Leeder · Dirk Sykes · Cathie Brooks |
| GCSE Geography for WJEC A Option Topics | 978-0-340-98375-1 | 2010 | Andy Owen · Andy Leeder · Dirk Sykes · Cathie Brooks |
| GCSE Geography for WJEC B | 978-1-4441-8725-0 | 2013 | Andy Leeder · Andy Owen |
| WJEC GCSE Geography | 978-1-4718-6128-4 | 2016 | Andy Leeder · Alan Brown · Gregg Coleman · Bob Digby · Val Davis |
Hodder & Stoughton · Hodder Education · Pearson Education