Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Amazing Snakes! | 2014-01-01 | 13 |
| Amazing Structures | 2015-08-01 | 8 |
| Amazing Trains | 2017-08-01 | 7 |
| American Place Puzzlers | 2017-12-15 | 9 |
| American Places: From Vision to Reality | 2016-08-01 | 9 |
| American Presidents | 2021-08-01 | 16 |
| America's Animal Comebacks | 2007-08-01 | 13 |
| America's Animal Soldiers | 2012-01-01 | 5 |
| America's Hidden Animal Treasures | 2012-08-01 | 7 |
| Amphibiana | 2010-01-01 | 7 |
| Ancient Civilizations | 2025-01-01 | 6 |
| Ancient Civilizations | 2020-01-01 | 10 |
| Ancient Civilizations: Need to Know | 2024-08-01 | 7 |
| Ancient Marine Life | 2023-08-01 | 11 |
| Ancient Mythology | 2025-08-01 | 0 |
| An Eye on Spiders | 2018-08-01 | 8 |
| Animal Architects | 2017-08-01 | 8 |
| Animal Attacks | 2012-08-01 | 10 |
| Animal Babies | 2020-08-01 | 9 |
| Animal Babies Set Two | 2021-01-01 | 7 |
| Animal Battles | 2020-01-01 | 52 |
| Animal Classes | 2012-08-01 | 8 |
| Animal Classification | 2017-01-01 | 8 |
| Animal Colors | 2018-08-01 | 7 |