| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free books sci fi | 1.51 | 0.6 | 9422 | 86 | 17 |
| free | 0.66 | 0.7 | 1016 | 38 | 4 |
| books | 0.41 | 0.3 | 3509 | 25 | 5 |
| sci | 1.89 | 0.5 | 7260 | 19 | 3 |
| fi | 0.67 | 0.6 | 8715 | 59 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free books sci fi | 0.92 | 0.9 | 3434 | 85 |
| free books sci fi military | 1.72 | 0.9 | 9693 | 54 |
| free sci fi kindle books | 0.67 | 0.7 | 1802 | 73 |
| free sci fi books for kindle fire | 1.2 | 0.8 | 9731 | 51 |
| free sci fi kindle books uk | 1.89 | 0.5 | 2569 | 70 |
| free kindle urban fantasy sci fi books | 0.44 | 0.4 | 7703 | 24 |
| free sci fi romance kindle books | 0.46 | 0.5 | 3857 | 19 |
| best new military sci fi books | 1.7 | 0.9 | 9156 | 100 |
| best military sci fi book series | 0.7 | 0.8 | 58 | 70 |
| free military science fiction | 0.2 | 0.9 | 9123 | 17 |
| military sci fi audiobooks free | 0.63 | 0.6 | 8231 | 1 |
| military science fiction books | 0.7 | 0.3 | 8316 | 81 |
| free military science fiction kindle books | 0.34 | 0.8 | 5217 | 33 |
| military sci fi series | 1.5 | 0.6 | 3114 | 82 |
| sci fi free books | 1.15 | 0.2 | 4298 | 43 |
| sci fi war books | 1.57 | 0.7 | 6727 | 61 |
| military sci fi authors | 0.95 | 0.3 | 4086 | 58 |
| top military science fiction books | 1.79 | 0.4 | 4670 | 14 |
| sci-fi movie free military | 0.48 | 0.4 | 2782 | 64 |
| best military science fiction book series | 0.45 | 0.3 | 7203 | 74 |
| military science fiction series | 1.61 | 0.3 | 8942 | 10 |
| military science fiction games | 1.95 | 0.2 | 7862 | 68 |
