| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free murder mystery books for kindle | 0.83 | 1 | 1387 | 84 |
| free murder mystery books for kindle fire | 1.06 | 0.7 | 17 | 14 |
| free murder mystery books for amazon kindle | 0.34 | 0.8 | 5172 | 20 |
| top 100 free kindle murder mystery books | 0.74 | 0.5 | 748 | 28 |
| free kindle books for adults murder mystery | 1.31 | 0.4 | 1162 | 71 |
| kindle unlimited books free murder mystery | 1.92 | 0.3 | 1411 | 61 |
