| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free online textbooks for students | 1.52 | 0.4 | 5673 | 56 |
| free online textbooks for college students | 1.97 | 0.5 | 8866 | 43 |
| online free textbook for college students | 0.1 | 0.9 | 7733 | 84 |
| free online textbooks online | 0.84 | 0.4 | 8152 | 90 |
| free online school textbooks | 0.18 | 0.6 | 7006 | 27 |
| cheap textbooks for students online | 1.09 | 0.7 | 761 | 25 |
| free textbooks online for college | 1.18 | 0.6 | 7125 | 55 |
| textbook online for free | 1.22 | 0.1 | 2208 | 66 |
| free online textbooks site | 0.48 | 0.1 | 3742 | 54 |
| free textbook websites for students | 1.74 | 0.9 | 4825 | 68 |
| free textbook downloads for students | 0.37 | 0.5 | 4172 | 91 |
| online textbooks free download | 1.3 | 0.8 | 9422 | 62 |
| free university textbooks online | 1.26 | 0.2 | 2035 | 73 |
