| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| read free books project gutenberg | 1.4 | 1 | 9423 | 73 |
| books online free to read project gutenberg | 0.87 | 0.9 | 9151 | 44 |
| read book online free project gutenberg | 1.98 | 0.2 | 2029 | 92 |
| how to download books from gutenberg project | 0.54 | 0.6 | 5905 | 49 |
| gutenberg project free ebooks | 0.91 | 1 | 9565 | 18 |
