| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Signs & Symbols of the World: Over 1,001 Visual Signs Explained | 978-1-57715-186-9 (1-57715-186-0) | 2020 |
| Superstitions: A Handbook of Folklore, Myths, and Legends from around the World | 978-1-57715-191-3 (1-57715-191-7) | 2020 |