| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Authoritative Guide to Grapefruit Seed Extract: Stay Healthy Naturally: A Natural Alternative for Treating Colds, Infections, Herpes, Candida and Many Other Ailments | 978-0-940795-17-4 (0-940795-17-5) | 1997 |