| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Handy Little Colouring Book for Adults - 2: Travel Size Mandalas to Colour on the GO | 978-1-5232-8076-6 (1-5232-8076-X) | 2016 | |
| Handy Little Colouring Book for Adults - 3: Travel Size Colouring to Enjoy Anywhere | 978-1-5232-8389-7 (1-5232-8389-0) | 2016 | |
| Letter Tracing & Practice Handwriting Workbook | 978-1-5472-7413-0 (1-5472-7413-1) | 2017 | Ferneva Books |