| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| isaac asimov free ebooks | 0.16 | 1 | 835 | 49 | 24 |
| isaac | 1.12 | 0.7 | 1784 | 82 | 5 |
| asimov | 1.48 | 0.7 | 6117 | 27 | 6 |
| free | 0.18 | 0.3 | 28 | 53 | 4 |
| ebooks | 0.19 | 0.3 | 2003 | 5 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| isaac asimov free ebooks | 1.76 | 1 | 7220 | 57 |
