| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2008 | 978-0-9801772-0-6 | Señora Gose | Flip Flop Spanish: Ages 3-5: Level 2 (Book + Audio CD) |
| '' | 978-0-9801772-1-3 | Senora Gose | Flip Flop Spanish: Ages 3-5: Level 1 (Book + CD) |
| '' | 978-0-9801772-2-0 | '' | Flip Flop Spanish Flash Cards: Verde (Cards) |
| '' | 978-0-9801772-4-4 | '' | Flip Flop Spanish: Ages 6-9: Level 1 (Book + Audio CD) |