| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| free deep space books | 1.78 | 0.5 | 9137 | 62 | 21 |
| free | 1.22 | 0.8 | 3390 | 79 | 4 |
| deep | 1.42 | 0.7 | 3883 | 19 | 4 |
| space | 0.45 | 0.5 | 2542 | 99 | 5 |
| books | 1.82 | 0.1 | 1125 | 61 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free deep space books | 0.96 | 0.2 | 6092 | 68 |
