| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Daily Brain Games 2013 Day-to-Day Calendar: Give your brain a lift every day | 978-1-4494-1587-7 (1-4494-1587-3) | 2012 |
| Daily Brain Games 2016 Day-to-Day Calendar | 978-1-4494-6512-4 (1-4494-6512-9) | 2015 |
| Daily Brain Games 2018 Day-to-Day Calendar | 978-1-4494-8232-9 (1-4494-8232-5) | 2017 |
HAEFNER · Hafner · Hepner · Heppner · Hobmeier · hoeffner · Hoepffner · Hoepfner · Hofner · Hubner · Hübner · Huefner