| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-0-9628330-0-7 | Cathy Howse | Ultra black hair growth: 6" longer 1 year from now |
| 1994 | 978-0-9628330-1-4 | Cathy Howse | Ultra Black Hair Growth 2: Another 6 Inches Longer 1 Year from Now |
| 2000 | 978-0-9628330-2-1 | '' | Ultra Black Hair Growth II 2000 Edition |