レベル：1
| チェック | 巻号 | タイトル | YL | 総語数 | 資料コード |
| 1 | Art | - | 669 | 600003199 | |
| 2 | At the beach | - | 707 | 600003180 | |
| 3 | Eyes | - | 672 | 600003223 | |
| 4 | Fruit | - | 680 | 600003260 | |
| 5 | In the Sky | - | 692 | 600003250 | |
| 6 | Schools | - | 659 | 600003241 | |
| 7 | Trees | - | 691 | 600003205 | |
| 8 | Wheels | - | 975 | 600003170 | |
| 9 | Wild cats | - | 684 | 600003214 | |
| 10 | Young animals | - | 706 | 600003232 |
レベル：2
| チェック | 巻号 | タイトル | YL | 総語数 | 資料コード |
| 1 | Camouflage | - | 842 | 600003340 | |
| 2 | Cities | - | 831 | 600003297 | |
| 3 | Earth | - | 820 | 600003303 | |
| 4 | Electricity | - | 819 | 600003321 | |
| 5 | Farms | - | 828 | 600003368 | |
| 6 | In the Mountains | - | 812 | 600003288 | |
| 7 | Jobs | - | 837 | 600003312 | |
| 8 | Plastic | - | 798 | 600003330 | |
| 9 | Sunny and rainy | - | 803 | 600003279 | |
| 10 | Your body | - | 855 | 600003359 |
レベル：3
| チェック | 巻号 | タイトル | YL | 総語数 | 資料コード |
| 1 | Amazing minibeasts | - | 1,249 | 600003410 | |
| 2 | Animals in the air | - | 1,368 | 600003466 | |
| 3 | Festivals around the world | - | 1,323 | 600003448 | |
| 4 | Free time around the world | - | 1,328 | 600003420 | |
| 5 | How we make products | - | 1,306 | 600003377 | |
| 6 | Life in rainforests | - | 1,395 | 600003457 | |
| 7 | Sound and music | - | 1,370 | 600003439 | |
| 8 | Super structures | - | 1,200 | 600003395 | |
| 9 | Wonderful water | - | 1,273 | 600003386 | |
| 10 | Your five senses | 1,343 | 600003401 |
レベル：4
| チェック | 巻号 | タイトル | YL | 総語数 | 資料コード |
| 1 | All about desert life | - | 1,692 | 600003500 | |
| 2 | All about ocean life | - | 1,665 | 600003555 | |
| 3 | All about plants | - | 1,729 | 600003564 | |
| 4 | Animals at night | - | 1,746 | 600003519 | |
| 5 | Animals in art | - | 1,754 | 600003493 | |
| 6 | How to stay healthy | - | 1,634 | 600003537 | |
| 7 | Incredible earth | - | 1,700 | 600003528 | |
| 8 | Machines then and now | - | 1,663 | 600003475 | |
| 9 | Why we recycle | - | 1,701 | 600003546 | |
| 10 | Wonders of the past | - | 1,724 | 600003484 |
レベル：5
| チェック | 巻号 | タイトル | YL | 総語数 | 資料コード |
| 1 | All about islands | - | 3,457 | 600003662 | |
| 2 | Animals life cycles | - | 3,437 | 600003591 | |
| 3 | Exploring our world | - | 3,489 | 600003608 | |
| 4 | Great migrations | - | 3,463 | 600003653 | |
| 5 | Homes around the world | - | 3,357 | 600003582 | |
| 6 | Materials to products | - | 3,437 | 600003635 | |
| 7 | Medicine then and now | - | 3,363 | 600003617 | |
| 8 | Our world in art | - | 3,360 | 600003626 | |
| 9 | Transportation then and now | - | 3,425 | 600003573 | |
| 10 | Wild weather | - | 3,397 | 600003644 |
レベル：6
| チェック | 巻号 | タイトル | YL | 総語数 | 資料コード |
| 1 | All about space | - | 3,820 | 600003680 | |
| 2 | Caring for our planet | - | 3,804 | 600003706 | |
| 3 | Cells and microbes | - | 3,663 | 600003690 | |
| 4 | Clothes then and now | - | 3,716 | 600003760 | |
| 5 | Earth then and now | - | 3,723 | 600003671 | |
| 6 | Food around the world | - | 3,739 | 600003751 | |
| 7 | Helping around the world | - | 3,734 | 600003733 | |
| 8 | Incredible energy | - | 3,776 | 600003724 | |
| 9 | Wonderful ecosystems | - | 3,752 | 600003715 | |
| 10 | Your amazing body | - | 3,869 | 600003742 |