| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free ebooks sci fi | 0.47 | 0.5 | 8372 | 89 |
| e kindle free books sci fi | 0.43 | 0.4 | 9601 | 20 |
| sci fi free books | 0.83 | 0.9 | 2265 | 95 |
| sci fi books online free | 1.25 | 0.5 | 6637 | 60 |
| free sci fi ebooks kindle books | 0.78 | 1 | 4448 | 78 |
| read free sci fi books online | 0.23 | 0.9 | 3742 | 28 |
| sci fi books free download | 0.5 | 0.9 | 6508 | 64 |
| free sci fi books pdf | 1.54 | 0.1 | 9635 | 47 |
| free sci fi books amazon | 1.74 | 0.5 | 7798 | 46 |
| sci fi books online | 1.37 | 0.1 | 8559 | 61 |
| sci fi books pdf download free | 0.11 | 0.4 | 3580 | 30 |
| free sci fi book downloads | 0.71 | 0.3 | 8931 | 36 |
| free sci fi kindle ebooks | 0.59 | 0.8 | 8658 | 11 |
| sci fi books to read online | 1.3 | 0.7 | 5247 | 78 |
| amazon sci fi ebooks | 1.38 | 0.7 | 9685 | 92 |
| sci fi ebook collection download | 1.55 | 0.3 | 6429 | 61 |
| sci-fi books | 1.88 | 0.7 | 6828 | 3 |
| free books sci fi | 0.15 | 0.7 | 9971 | 28 |
| free books sci fi military | 1.29 | 0.6 | 6612 | 44 |
| free sci fi romance kindle ebooks | 0.11 | 0.5 | 2786 | 38 |
| free sci fi ebooks download | 0.72 | 0.7 | 207 | 20 |
| free sci fi ebooks kindle | 0.49 | 0.1 | 882 | 42 |
| kindle free ebooks sci fi fantasy | 0.77 | 0.9 | 5770 | 36 |
