| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Firefly Visual Dictionary with Definitions | 978-1-77085-620-2 (1-77085-620-X) | 2015 |
| The Firefly French-English Visual Dictionary | 978-1-77085-621-9 (1-77085-621-8) | 2015 |
| The Firefly Spanish-English Visual Dictionary | 978-1-77085-622-6 (1-77085-622-6) | 2015 |