| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| top books 21st century | 0.28 | 0.3 | 6806 | 67 | 22 |
| top | 0.22 | 0.9 | 4225 | 40 | 3 |
| books | 2 | 0.4 | 7689 | 92 | 5 |
| 21st | 0.05 | 0.2 | 2243 | 62 | 4 |
| century | 1.24 | 0.1 | 376 | 58 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| top books 21st century | 1.65 | 0.2 | 9081 | 16 |
