| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1987 | 978-0-940847-07-1 | Margaret Nofziger | Signs of Fertility: The Personal Science of Natural Birth Control |
| 1998 | 978-0-940847-08-8 | Margaret Nofziger | Signs of Fertility: The Personal Science of Natural Birth Control |
| 2000 | 978-0-940847-13-2 | Lyn Nofziger | Unbridled Joy: The Verse of Joy Skilmer |