| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pdf versions of college textbooks | 1.91 | 0.4 | 2250 | 2 |
| free pdf versions of college textbooks | 1.62 | 0.9 | 6411 | 39 |
| how to get pdf version of college textbooks | 1.96 | 0.5 | 7864 | 87 |
| pdf of college textbooks | 1.21 | 1 | 6936 | 41 |
| free pdf of college textbooks | 0.15 | 0.7 | 4304 | 97 |
| college textbooks download pdf | 0.52 | 0.5 | 1981 | 3 |
| college textbooks pdf free download | 0.36 | 1 | 8230 | 15 |
| college textbooks pdf online | 0.73 | 0.5 | 1883 | 30 |
| college textbook pdf download | 1.05 | 0.6 | 5220 | 40 |
| college textbook free downloadable pdf | 1.13 | 1 | 4952 | 73 |
