| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| books for free on kindle | 1.77 | 0.3 | 313 | 77 |
| books for free on kindle fire | 1.01 | 0.2 | 1642 | 89 |
| kindle unlimited free books | 0.28 | 0.7 | 2726 | 66 |
| free books on kindle for prime members | 0.07 | 0.5 | 8131 | 45 |
| amazon free kindle books | 0.63 | 0.4 | 6737 | 58 |
| prime books free kindle | 1.72 | 0.2 | 1956 | 13 |
| free books for kindle fire to download | 1.17 | 0.7 | 8655 | 3 |
| free romance books for kindle fire | 1.65 | 0.7 | 9440 | 56 |
| free prime books for kindle fire | 0.94 | 0.9 | 5917 | 21 |
| free christian books for kindle fire | 1.37 | 0.4 | 1412 | 29 |
