| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Levitra : The Perfect Medication for the treatment of Erectile Dysfunction or Sexual Impotence in Men | 978-1-9842-2080-6 (1-9842-2080-2) | 2018 |
| Viagra: The Most Effective Pill for Men with Sexual Impotence to enhance the Penis Extraordinarily | 978-1-7171-1198-2 (1-7171-1198-X) | 2018 |