| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| books free online project gutenberg | 0.6 | 0.5 | 5050 | 29 |
| books online free to read project gutenberg | 1.52 | 0.9 | 1517 | 47 |
| online reading books free project gutenberg | 1.9 | 0.5 | 4500 | 7 |
| read book online free project gutenberg | 1.93 | 1 | 4289 | 14 |
| free audio books online project gutenberg | 1.45 | 0.6 | 1390 | 74 |
| how to download books from gutenberg project | 0.44 | 0.6 | 182 | 14 |
| gutenberg project free ebooks | 0.86 | 0.2 | 7108 | 47 |
