| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| science fiction space books | 0.76 | 0.9 | 8608 | 53 | 27 |
| science | 1.26 | 1 | 3528 | 32 | 7 |
| fiction | 1.75 | 1 | 793 | 83 | 7 |
| space | 1.08 | 0.2 | 1437 | 48 | 5 |
| books | 0.98 | 0.1 | 5142 | 10 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| science fiction space books | 1.31 | 1 | 2639 | 16 |
| best space science fiction books | 1.76 | 0.6 | 7776 | 32 |
| science fiction outer space books | 1.32 | 0.8 | 180 | 100 |
| science fiction books about space travel | 0.11 | 0.9 | 1707 | 20 |
| free science fiction space books | 1.76 | 0.4 | 9922 | 69 |
| space science fiction books for adults | 0.78 | 0.3 | 8187 | 40 |
| best space war science fiction books | 1.4 | 0.7 | 6081 | 13 |
| science fiction books about space | 1.28 | 0.6 | 5195 | 68 |
| best fiction space books | 0.17 | 0.5 | 4082 | 9 |
| free space science fiction books | 0.56 | 0.9 | 8712 | 58 |
| best space sci-fi books | 0.08 | 0.8 | 7893 | 79 |
| best sci fi space books | 1.58 | 0.9 | 4677 | 81 |
| good space fiction books | 1.71 | 0.4 | 8641 | 89 |
| best space science fiction movies | 1.94 | 0.4 | 8036 | 74 |
| science fiction best books | 0.81 | 0.4 | 4882 | 89 |
| best space sci fi book series | 0.96 | 1 | 5815 | 41 |
| best space exploration sci fi books | 0.33 | 0.5 | 3367 | 10 |
| fiction books about space | 0.49 | 0.1 | 460 | 31 |
| sci fi space novels | 0.4 | 0.6 | 3844 | 80 |
