Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
free books for kindle on amazon prime | 0.01 | 0.2 | 1940 | 6 |
amazon prime books free in kindle store | 1.56 | 0.8 | 3544 | 15 |
amazon prime kindle unlimited free books | 0.84 | 0.1 | 7994 | 70 |
download free kindle books amazon prime | 0.54 | 0.4 | 7877 | 15 |