| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-0-9524392-0-2 | Richard Knight · etc. | How to Practice Complementary Medicine Professionally |
| 2011 | 978-0-9524392-1-9 | Richard Knight | Helping Yourself & Others |
| 2010 | 978-0-9524392-3-3 | '' | Colon Hydrotherapy: The Professional Practitioner Training Manual and Reference Book |
| 2011 | 978-0-9524392-4-0 | '' | Poems Writings & Drawings |
| 2012 | 978-0-9524392-5-7 | '' | Poems & Drawings from Love, Life, and Nature - Volume Two - A Thousand Pebbles Sing |