| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hiding in the Bathroom: An Introvert's Roadmap to Getting Out There | 978-0-06-266608-6 (0-06-266608-8) | 2017 |
| Hiding in the Bathroom: How to Get Out There When You'd Rather Stay Home | 978-0-06-266609-3 (0-06-266609-6) | 2018 |