| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best selling sci fi books | 1.57 | 0.8 | 34 | 48 |
| best selling sci fi books of all time | 1.07 | 0.7 | 6110 | 18 |
| best selling sci fi books 2024 | 0.48 | 0.1 | 6915 | 99 |
| best selling sci fi books 2023 | 0.16 | 0.6 | 8198 | 15 |
| best selling sci fi books 2022 | 1.48 | 0.1 | 5343 | 73 |
| best selling sci fi books 2020 | 1.85 | 0.8 | 7505 | 100 |
| best selling sci fi books 2021 | 0.08 | 0.7 | 3497 | 63 |
| best selling kindle sci fi books | 1.45 | 1 | 8801 | 40 |
| best sci fi books of all time | 0.54 | 0.3 | 1353 | 79 |
| top sci fi books all time | 1.45 | 0.5 | 9084 | 48 |
| greatest sci fi books of all time | 0.86 | 0.3 | 5292 | 33 |
| best ever sci fi books | 1.74 | 0.8 | 4512 | 84 |
| best sci fi books recent | 0.38 | 0.9 | 2666 | 37 |
| best selling sci fi | 1.12 | 0.4 | 1918 | 69 |
| most popular sci fi books | 1.08 | 0.3 | 7107 | 1 |
| sci fi books popular | 0.37 | 0.2 | 8071 | 91 |
| top sci fi books | 0.79 | 0.8 | 3406 | 90 |
