| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| good science fiction books 2021 | 0.23 | 0.6 | 5347 | 40 |
| best selling science fiction books 2021 | 0.08 | 0.2 | 6647 | 36 |
| best science fiction and fantasy books 2021 | 0.06 | 0.6 | 3329 | 24 |
| science fiction series 2021 | 1.55 | 0.4 | 8570 | 84 |
| science fiction best sellers 2021 | 1.48 | 0.3 | 8727 | 68 |
| best science fiction authors 2021 | 1.69 | 1 | 9330 | 32 |
| best science fiction movies 2021 | 1.29 | 0.7 | 3460 | 65 |
| best sci fi books of 2021 | 0.06 | 0.9 | 6242 | 34 |
| science fiction 2021 movies | 1.21 | 0.5 | 5296 | 48 |
| best science books of 2021 | 0.81 | 0.6 | 7627 | 38 |
| science fiction movies 2021 list | 1.84 | 0.1 | 3044 | 89 |
| top sci-fi books 2021 | 1.83 | 0.2 | 3864 | 74 |
