| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How to Travel the World on $50 a Day: Third Edition: Travel Cheaper, Longer, Smarter | 978-0-399-17328-8 (0-399-17328-5) | 2015 |
| How to Travel the World on $50 a Day: Travel Cheaper, Longer, Smarter | 978-0-399-15967-1 (0-399-15967-3) | 2013 |