| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| science fiction books about space travel | 1.01 | 0.6 | 8415 | 46 |
| best science fiction space travel books | 0.85 | 0.1 | 208 | 90 |
| science fiction books about space | 1.06 | 0.5 | 5036 | 98 |
| best space travel books fiction | 0.29 | 0.2 | 4741 | 22 |
| who wrote science fiction about space travel | 1.73 | 0.1 | 4553 | 76 |
| books about space travel | 1.47 | 0.1 | 8824 | 43 |
| best books about space travel non fiction | 1.58 | 0.6 | 6471 | 50 |
| books about space fiction | 1.68 | 0.1 | 3138 | 48 |
| science fiction space travel methods | 1.21 | 0.9 | 1209 | 1 |
| free science fiction space books | 0.81 | 0.8 | 8895 | 18 |
| science fiction space travel movies youtube | 1.34 | 0.6 | 5349 | 6 |
| best sci-fi book series with space travel | 0.44 | 0.3 | 1527 | 100 |
| space science fiction book series | 0.94 | 0.9 | 2766 | 2 |
| books on space science | 1.03 | 0.1 | 1142 | 42 |
| sci fi books space exploration | 1.32 | 0.5 | 1956 | 29 |
| space sci fi books | 0.64 | 0.7 | 1145 | 53 |
| space fiction book for kids | 1.66 | 0.1 | 4964 | 95 |
