| title | ISBN-13 | year of publication |
|---|---|---|
| Día de la Independencia (Independence Day) | 978-1-62031-990-1 | 2018 |
| Día de la Tierra (Earth Day) | 978-1-62031-992-5 | 2018 |
| Día del Presidente (Presidents' Day) | 978-1-62031-994-9 | 2018 |
| Día del Trabajo (Labor Day) (Bullfrog Books en espanol: Fiestas ) | 978-1-62031-996-3 | 2018 |
| Earth Day | 978-1-62031-831-7 | 2018 |
| Independence Day | 978-1-62031-832-4 | 2018 |
| Presidents' Day (Bullfrog Books: Holidays) | 978-1-62031-836-2 | 2018 |