| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kids Who Walk on Volcanoes | 978-1-56261-308-2 (1-56261-308-1) | 1996 |
| The DEL-World Awaits: A Comprehensive Guide to Extended Backpack Travel | 978-1-56261-277-1 (1-56261-277-8) | 1996 |
| The World Awaits: How to Travel Far and Well | 978-1-56691-243-3 (1-56691-243-1) | 2000 |