| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best science fiction series books | 0.68 | 0.2 | 4387 | 98 |
| best science fiction series books of all time | 0.84 | 1 | 8988 | 31 |
| best science fiction book | 1.54 | 0.5 | 784 | 71 |
| science fiction book series | 0.17 | 0.7 | 4970 | 39 |
| best science fiction novels | 1.84 | 0.3 | 2742 | 70 |
| top science fiction novels of all time | 0.24 | 0.5 | 2413 | 27 |
| best science fiction book series ranked | 0.17 | 0.1 | 9568 | 49 |
| best science fiction books ever | 0.69 | 1 | 6449 | 38 |
| best series science fiction | 0.71 | 0.9 | 8320 | 59 |
| greatest science fiction series | 1.53 | 0.6 | 2619 | 97 |
| top science fiction series | 1.73 | 0.4 | 6979 | 34 |
