Chronicle Books · Da Capo Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hollow Earth | 978-0-306-81533-1 (0-306-81533-8) | 2007 |
| Hollow Earth: The Long and Curious History of Imagining Strange Lands, Fantastical Creatures, Advanced Civilizations, and Marvelous Machines Below the Earth's Surface | 978-0-306-81373-3 (0-306-81373-4) | 2006 |
| The Art of Money: The History and Design of Paper Currency from Around the World | 978-0-8118-2805-5 (0-8118-2805-0) | 2000 |