| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Master Your Emotions: A Practical Guide to Overcome Negativity and Better Manage Your Feelings | 978-1-9810-8915-4 (1-9810-8915-2) | 2018 |
| Master Your Focus: A Practical Guide to Stop Chasing the Next Thing and Focus on What Matters Until It's Done | 978-1-6940-2571-5 (1-6940-2571-3) | 2019 |