| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2008 | 978-1-907041-00-6 | A.W. Craig · W.M. Craig | Easy to Use French Verb Wheels for GCSE: Including Present, Past and Future Tenses |
| '' | 978-1-907041-04-4 | '' | Easy to Use Spanish Verb Wheels for GCSE: Present, Past (Preterite) and Future Tenses |
| '' | 978-1-907041-08-2 | '' | Easy to Use German Verb Wheel for GCSE: Present, Perfect and Imperfect Tenses |
| 2009 | 978-1-907041-14-3 | '' | Learn to Tell the Time in English: Language Clock |