| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| books on space travel non fiction | 0.93 | 1 | 4353 | 52 |
| best books about space travel non fiction | 0.87 | 0.1 | 6378 | 68 |
| non fiction space books | 0.35 | 0.1 | 252 | 86 |
| best space travel books fiction | 0.4 | 0.3 | 1825 | 35 |
| famous space books non fiction | 1.56 | 0.6 | 5259 | 63 |
| science fiction books about space travel | 0.69 | 0.9 | 9308 | 49 |
| non fiction space books for kids | 1.2 | 0.1 | 5347 | 95 |
| books about space travel | 0.1 | 0.5 | 5505 | 65 |
| nonfiction books about space | 0.41 | 0.1 | 3128 | 60 |
| non fiction travel books | 1 | 0.7 | 4204 | 86 |
| books about space fiction | 1.02 | 0.4 | 1540 | 95 |
| best space travel books | 1.51 | 0.4 | 4519 | 74 |
| nonfiction space books pdf | 1.99 | 0.9 | 3330 | 9 |
| sci fi books about space travel | 0.87 | 0.6 | 3779 | 9 |
| science fiction space travel | 1.15 | 0.4 | 6020 | 78 |
| new books on space | 1.61 | 0.6 | 9727 | 45 |
| free books about space | 0.61 | 0.1 | 8536 | 26 |
| books related to space | 0.72 | 0.2 | 5297 | 34 |
