| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Simple Inspirations Calendar 2013 | 978-0-7412-4231-0 (0-7412-4231-1) | 2012 |
| The Lang Simple Inspirations 2014 Calendar | 978-0-7412-4445-1 (0-7412-4445-4) | 2013 |
| The Lang Simple Inspirations 2016 Calendar | 978-0-7412-5075-9 (0-7412-5075-6) | 2015 |