| title | ISBN-13 | year of publication |
|---|---|---|
| Tredoku Beginners Book 1 | 978-965-7471-04-3 | 2008 |
| Tredoku Easy Book 1 | 978-965-7471-00-5 | 2008 |
| Tredoku - Easy-Medium 1 | 978-965-7471-02-9 | 2009 |
| Tredoku - Easy-Medium 2 | 978-965-7471-07-4 | 2013 |
| Tredoku Easy Medium Grande Book 1 | 978-965-7471-08-1 | 2012 |
| Tredoku Kids 1 | 978-965-7471-03-6 | 2013 |
| Tredoku Kids - book 1 | 978-965-7471-06-7 | 2008 |
| Tredoku - Medium-Hard 1 | 978-965-7471-01-2 | 2010 |
| Tredoku Medium Hard Grande Book 1 | 978-965-7471-09-8 | 2012 |