| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Let Them Eat Dirt: How Microbes Can Make Your Child Healthier | 978-1-61620-738-0 (1-61620-738-8) | 2017 | Dr. Marie-Claire Arrieta PhD |
| Let Them Eat Dirt: Saving Your Child from an Oversanitized World | 978-1-61620-649-9 (1-61620-649-7) | 2016 | " |