| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| space books for kids free | 1.77 | 0.6 | 8227 | 28 |
| free space books for kids pdf | 0.17 | 1 | 1301 | 89 |
| best space books for kids | 1.34 | 0.3 | 7272 | 68 |
| books about space for kids | 0.5 | 0.5 | 969 | 94 |
| space themed books for kids | 1.93 | 0.2 | 2970 | 69 |
| free books about space | 0.95 | 0.2 | 2741 | 86 |
| space books for toddlers | 1.57 | 0.7 | 3509 | 55 |
| children's books on space | 1.59 | 0.7 | 6701 | 15 |
| free online space books | 1.9 | 0.4 | 1441 | 50 |
| books about space for children | 0.02 | 0.6 | 681 | 68 |
| kid books about space | 0.98 | 0.9 | 1966 | 61 |
