| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| VIAGRA Sildenafil: 100% Treatment for Impotence and Erectile Dysfunction. Gives You a Quick, Hard, and Long Lasting Erection so You can Have Sex and Last Longer in Bed | 978-1-7218-9344-7 (1-7218-9344-X) | 2018 |