The Hardness Factor: How to Achieve Your Best Health and Sexual Fitness at Any Age
| Country | USA |
| Author | Robin D. Ader |
| Binding | Kindle Edition |
| Edition | 2014 - Third Edition |
| Format | Kindle eBook |
| IsAdultProduct | |
| Label | Hundredth Shire Publishing, LLC |
| Manufacturer | Hundredth Shire Publishing, LLC |
| NumberOfPages | 167 |
| PublicationDate | 2014-07-11 |
| Publisher | Hundredth Shire Publishing, LLC |
| ReleaseDate | 2014-07-11 |
| Studio | Hundredth Shire Publishing, LLC |