Series
| Series Name | Release Date | Product Count |
|---|---|---|
| I Can Play Sports! | 2022-08-01 | 13 |
| Ice Age Animals | 2024-08-01 | 7 |
| I Love Reading: Dino World | 2007-08-01 | 5 |
| I Love Sports | 2018-01-01 | 14 |
| Incredible Animal Life Cycles | 2018-08-01 | 9 |
| Incredible Sports Records | 2018-01-01 | 8 |
| Informe del tiempo (Weather Report) | 2018-08-01 | 5 |
| Insane, Wacky World! | 2024-08-01 | 5 |
| In Search of the Unexplained | 2021-08-01 | 11 |
| Insectos en tu jardín (Backyard Bugs) | 2019-01-01 | 13 |
| Insects Up Close | 2018-08-01 | 21 |
| Insect World | 2013-08-01 | 20 |
| Internet Issues | 2023-08-01 | 5 |
| In the News: Need to Know Set Two | 2025-01-01 | 12 |
| In the Spotlight | 2019-01-01 | 15 |
| Intro to Chemistry: Need to Know | 2023-01-01 | 7 |
| Invasive Species | 2022-08-01 | 14 |
| Inventions that Changed the World | 2019-01-01 | 12 |
| Investigating the Unexplained | 2018-08-01 | 11 |
| In Winter, Where Do They Go? | 2014-08-01 | 7 |
| I See Animal Textures! | 2023-01-01 | 4 |
| I Spy | 2018-12-15 | 10 |
| I Spy Shapes | 2023-08-01 | 4 |
| It Makes Sense! | 2024-08-01 | 7 |