| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best space books for adults | 1.48 | 0.1 | 4241 | 96 |
| space novels for adults | 0.18 | 0.5 | 1555 | 21 |
| best books for space | 1.6 | 0.2 | 3345 | 94 |
| best space books for kids | 0.57 | 0.6 | 3840 | 44 |
| best space books for teens | 0.4 | 0.5 | 9922 | 86 |
| best space books for beginners | 1.72 | 0.6 | 164 | 99 |
| best books to read about space | 0.04 | 0.4 | 8357 | 87 |
| top 10 books about space | 1.72 | 1 | 9153 | 39 |
| best books to learn about space | 1.32 | 0.7 | 8130 | 22 |
| great books about space | 1.08 | 0.8 | 9647 | 3 |
| best fiction books about space | 1.84 | 0.3 | 8002 | 53 |
| books on space for kids | 1.61 | 1 | 4984 | 59 |
| books about space for children | 1.95 | 1 | 7846 | 41 |
| space books to read | 1.2 | 0.8 | 3001 | 41 |
| free books about space | 1.59 | 0.5 | 4412 | 39 |
| good space books fiction | 1.89 | 0.2 | 7374 | 52 |
| books related to space | 0.04 | 0.8 | 8763 | 44 |
| space books for kids free | 1.16 | 0.5 | 762 | 64 |
| space related books for kids | 1.56 | 0.6 | 4037 | 95 |
| about space books for kids | 1.11 | 0.5 | 463 | 72 |
| space themed books for kids | 1.79 | 0.9 | 9713 | 7 |
| space books for toddlers | 1.57 | 0.7 | 73 | 98 |
| book for kids on space | 0.52 | 0.6 | 2979 | 62 |
| children books about space | 0.81 | 0.5 | 7768 | 30 |
