| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bookbub free books for kindle fire | 0.8 | 0.4 | 5326 | 40 |
| free kindle books at bookbub | 1.34 | 0.9 | 2081 | 28 |
| bookbub books for kindle | 0.32 | 0.6 | 7063 | 66 |
| bookbub app for kindle fire | 1.87 | 0.6 | 1002 | 62 |
| bookbub free ebooks for kindle | 0.61 | 0.8 | 9941 | 9 |
| bookbub free books amazon kindle | 1.48 | 0.8 | 6473 | 10 |
| bookbub free kindle books uk | 1.32 | 0.5 | 8479 | 48 |
| bookbub free books fire | 0.36 | 0.3 | 7709 | 88 |
| bookbub free kindle books from today | 0.93 | 0.2 | 4823 | 17 |
| bookbub app for kindle | 0.75 | 0.8 | 1534 | 11 |
| free book for kindle fire | 0.17 | 0.4 | 8078 | 9 |
