| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best space books for beginners | 1.07 | 0.8 | 734 | 4 |
| best books for space | 0.37 | 0.6 | 4076 | 43 |
| best books to learn about space | 1.73 | 0.5 | 1531 | 29 |
| best space books for kids | 1.53 | 0.2 | 7504 | 19 |
| best space books for adults | 0.83 | 0.4 | 7088 | 86 |
| best books to read about space | 0.49 | 0.2 | 5716 | 66 |
| best space books for teens | 0.19 | 0.9 | 7951 | 62 |
| top 10 books about space | 1.03 | 0.3 | 387 | 42 |
| great books about space | 1.91 | 0.6 | 6767 | 99 |
| best books about the space program | 1.11 | 0.6 | 8727 | 6 |
| best fiction books about space | 0.92 | 0.5 | 4459 | 65 |
| best kindergarten space books | 0.77 | 0.2 | 9103 | 34 |
| books for kids about space | 2 | 0.3 | 3398 | 63 |
| space books to read | 0.06 | 1 | 3672 | 2 |
| best space adventure books | 0.74 | 0.5 | 655 | 70 |
| space books for toddlers | 0.48 | 0.6 | 9942 | 42 |
| best adult books about space | 0.92 | 0.5 | 611 | 58 |
| free books about space | 0.79 | 0.1 | 2055 | 75 |
