| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free books non fiction for kindle | 0.08 | 0.3 | 264 | 88 |
| kindle unlimited non fiction free books | 1.07 | 0.4 | 9303 | 69 |
| free kindle books true crime non fiction | 1.1 | 0.5 | 4728 | 37 |
| amazon free kindle books non fiction | 0.21 | 0.9 | 4346 | 20 |
| kindle free books non fiction history | 0.39 | 0.2 | 8332 | 51 |
| free non fiction historical books for kindle | 0.21 | 0.7 | 1096 | 29 |
| best non fiction on kindle unlimited | 0.11 | 0.2 | 7040 | 35 |
| free books not kindle unlimited | 0.98 | 0.1 | 698 | 26 |
| unlimited free kindle books | 1.64 | 0.2 | 7265 | 41 |
| amazon unlimited kindle books fiction | 1.72 | 0.9 | 4591 | 25 |
| best kindle unlimited nonfiction books | 0.59 | 0.6 | 9303 | 92 |
