| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free books online to read now mystery | 0.55 | 0.6 | 8164 | 39 |
| free online books to read online mystery | 0.95 | 0.4 | 2628 | 15 |
| books online free to read mystery | 0.83 | 0.6 | 5144 | 7 |
| free mystery books to read online free | 0.55 | 0.2 | 9741 | 37 |
| best mystery books to read now | 1.84 | 0.4 | 7183 | 19 |
| free mystery novels online to read | 1.67 | 0.8 | 2486 | 60 |
| mystery books online to read | 0.43 | 0.5 | 3284 | 8 |
| free mystery books to read for free | 1.79 | 0.8 | 7322 | 41 |
| free to read mystery books | 1.12 | 1 | 7272 | 35 |
| online novels to read mystery | 1.43 | 0.4 | 1234 | 30 |
| free mystery books to download and read | 1.32 | 1 | 4631 | 98 |
