| title | ISBN-13 (ISBN-10) | year of publica- tion | |
|---|---|---|---|
| Der kluge Bauch | 978-3-442-15114-1 (3-442-15114-7) | 2001 | |
| The Second Brain: A Groundbreaking New Understanding of Nervous Disorders of the Stomach and Intestine | 978-0-06-093072-1 (0-06-093072-1) | 1999 | |
| The Second Brain: The Scientific Basis of Gut Instinct and a Groundbreaking New Understanding of Nervous Disorders of the Stomach and Intestines | 978-0-06-018252-6 (0-06-018252-0) | 1998 |