| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| bookbub for kindle fire free books | 1.42 | 0.5 | 1819 | 27 |
| free kindle books at bookbub | 1.39 | 1 | 3959 | 53 |
| bookbub books for kindle | 1.99 | 0.9 | 9220 | 15 |
| bookbub app for kindle fire | 0.65 | 0.7 | 7485 | 34 |
| bookbub free books amazon kindle | 0.34 | 0.2 | 1455 | 70 |
| bookbub free ebooks for kindle | 1.53 | 0.4 | 6627 | 91 |
| bookbub free kindle books uk | 1.42 | 0.1 | 7193 | 45 |
| bookbub free books fire | 1.44 | 1 | 9039 | 31 |
| bookbub free kindle books from today | 0.64 | 1 | 8936 | 52 |
| bookbub app for kindle | 1.01 | 0.3 | 5976 | 72 |
| free book for kindle fire | 0.91 | 0.4 | 9524 | 98 |
| bub books for kindle | 0.07 | 0.4 | 2017 | 56 |
