| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Fiber Menace: The Truth About the Leading Role of Fiber in Diet Failure, Constipation, Hemorrhoids, Irritable Bowel Syndrome, Ulcerative Colitis, Crohn's Disease, and Colon Cancer | 978-0-9706796-4-2 (0-9706796-4-5) | 2005 |
| Gut Sense: How to Reverse and Prevent Constipation and Irregularity in Children and Adults | 978-0-9706796-5-9 (0-9706796-5-3) | 2009 |