| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Java Kotlin Android Mobile I'm a developer: Notebook 6x9, graph paper | 978-1-0862-9399-9 (1-0862-9399-1) | 2019 |
| Objective C Swift iOS Mobile I'm a developer: Notebook 6x9, graph paper | 978-1-0862-9512-2 (1-0862-9512-9) | 2019 |