Series
| Series Name | Release Date | Product Count |
|---|---|---|
| Animals with Color | 2023-08-01 | 7 |
| Animals with Strength | 2023-12-15 | 7 |
| Animals with Venom | 2020-08-01 | 7 |
| Animal Tales | 2006-01-01 | 25 |
| Animal Underdogs | 2007-09-01 | 7 |
| Antarctic Animals | 2021-12-15 | 7 |
| Antonyms | 2007-01-01 | 7 |
| Arañas (Spiders) | 2014-08-01 | 7 |
| Archie | 2007-01-01 | 3 |
| Arctic Animals | 2013-09-01 | 14 |
| Arctic Animals | 2019-12-15 | 0 |
| Arctic Animals at Risk | 2018-12-15 | 7 |
| Arena Events | 2018-12-15 | 7 |
| Are You My Pet? | 2008-09-01 | 7 |
| Around The World | 2004-01-01 | 7 |
| Artistic Sports | 2023-12-15 | 7 |
| Art Styles | 2023-12-15 | 7 |
| Asian Animals | 2013-01-01 | 6 |
| Asian Animals (AK) | 2020-12-15 | 7 |
| Atomic Bomb Perspectives | 2020-08-01 | 5 |
United States Encyclopedias
World of Mythical Beings
Captives of the Reich