| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Oval Mandala Duos: Large Oval-Shaped Mandalas in Two Styles: Classic White and Dramatic Black Background Mandala Colouring Designs for Adults and Older Children | 978-1-5232-5360-9 (1-5232-5360-6) | 2016 |
| Oval Mandala Duos : Large Oval-Shaped Mandalas in Two Styles: Classic White and Dramatic Black Background Mandala Colouring Designs for Adults and Older Children | 978-1-5232-5741-6 (1-5232-5741-5) | 2016 |