Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Machines to the Rescue | 2021-08-01 | 9 |
| Man-Made Disasters | 2018-01-01 | 7 |
| Man-Made Disasters (Readalong Edition) | 2021-07-01 | 5 |
| Marsupials | 2025-01-01 | 7 |
| Materiales de la Tierra (Earth Basics) | 2023-08-01 | 0 |
| Materiales de la Tierra (Eath Basics) | 2023-08-01 | 4 |
| Math Adventures | 2022-01-01 | 16 |
| Math Adventures | 2022-01-01 | 1 |
| Math It! | 2016-08-01 | 7 |
| Meals Around the World | 2016-08-01 | 10 |
| Meals Around the World (Readalong Edition) | 2018-08-01 | 9 |
| Meet the Community Helpers! | 2021-08-01 | 6 |
| Meet the Community Helpers! | 2022-01-01 | 8 |
| Meet the Dinosaurs!: When Reptiles Ruled | 2022-01-01 | 6 |
| Meet the Dinosaurs!: When the Reptiles Ruled | 2022-01-01 | 1 |
| Meet the Horses | 2025-08-01 | 6 |
| Mindful Me | 2019-10-15 | 7 |
| Mindful Mentality | 2020-08-01 | 7 |
| Minding Emotions | 2019-10-15 | 6 |
| Míralos crecer (Watch It Grow) | 2019-01-01 | 9 |
| Mis primeros libros de animales (My First Animal Books) | 2023-08-01 | 17 |
| Mis sentidos | 2023-01-01 | 6 |
| Money Smarts | 2018-01-01 | 7 |
| Mundo de reptiles (Reptile World) | 2017-08-01 | 6 |