| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| project gutenberg free ebooks library | 0.83 | 0.4 | 304 | 92 |
| free books project gutenberg | 1.12 | 0.1 | 5549 | 70 |
| project gutenberg online library | 0.19 | 0.1 | 3900 | 89 |
| read free books project gutenberg | 0.74 | 0.8 | 1182 | 85 |
| free books online project gutenberg | 1.76 | 0.9 | 7051 | 2 |
| free downloadable books on project gutenberg | 0.49 | 0.8 | 8483 | 83 |
| project gutenberg free pdf books | 1.67 | 0.8 | 7674 | 5 |
| the project gutenberg ebook | 1.44 | 0.6 | 9374 | 58 |
| free ebooks project gutenberg | 0.59 | 1 | 1084 | 87 |
| project gutenberg free kindle books | 0.12 | 0.4 | 351 | 41 |
| project gutenberg free books download | 1.85 | 0.8 | 5232 | 73 |
| project gutenberg australia free books | 0.35 | 0.5 | 8246 | 35 |
| gutenberg project free books online | 0.14 | 0.8 | 3441 | 63 |
