| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| using amazon kindle for passive income: Built a passive revenue system at a cost of $100 to $150 or for free and earn up to $500 to $1000 on every single 25 page word file you upload on Amazon Kindle. | 978-1-7O41-3739-1 (1-7O41-3739-X) | 2019 |