| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Vitamin D Miracle: Everything You Need To Know About Vitamin D and How to Use It to Maintain Healthy Bones and Teeth and Treat Severe Health Issues | 978-1-9849-9843-9 (1-9849-9843-9) | 2018 |
J R · J. Robert · Jon Robert Adams · Jon Robert Bailey, et al, e Gygax · Jon Robert Bailey, et al, eds. Gygax · Jon Robert Quinn