Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
free books for kindle on amazon prime | 1.53 | 0.8 | 475 | 32 |
amazon prime books free in kindle store | 1.64 | 0.6 | 2497 | 14 |
amazon prime kindle unlimited free books | 1.78 | 0.5 | 8012 | 55 |
download free kindle books amazon prime | 0.95 | 0.5 | 3219 | 2 |