| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Notebook: chaotic heart fractal - 50 sheets, 100 pages - 8 x 10 inches | 978-1-7089-8492-2 (1-7089-8492-5) | 2019 |
| Notebook: heart fractal - 50 sheets, 100 pages - 8 x 10 inches | 978-1-7090-0700-2 (1-7090-0700-1) | 2019 |