| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1978 | 978-0-914532-21-7 | Herbert M. Shelton | The Science and Fine Art of Fasting |
| 1994 | 978-0-914532-36-1 | Herbert M. Shelton | The Science and Fine Art of Natural Hygiene (The Hygienic System) |
| 1968 | 978-0-914532-37-8 | '' | Natural Hygiene: The Pristine Way of Life |
| 1984 | 978-0-914532-39-2 | '' | The Science and Fine Art of Food and Nutrition (Hygienic System) |
| 1996 | 978-0-914532-41-5 | '' | Health for the Millions |
| 1978 | 978-0-914532-42-2 | '' | Fasting Can Save Your Life |
| 1999 | 978-0-914532-44-6 | James Michael Lennon · Susan Taylor | The Natural Hygiene Diet |