| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| librivox free audio books youtube | 1.64 | 0.4 | 9136 | 39 |
| best free audio librivox books | 1.28 | 0.7 | 1531 | 4 |
| download free mp3 audio books from librivox | 1.92 | 0.5 | 2574 | 11 |
| the librivox free audiobook collection | 0.48 | 0.5 | 3513 | 42 |
| free download of audiobooks from librivox | 0.48 | 0.7 | 831 | 68 |
| librivox free audio books app | 0.21 | 0.7 | 2724 | 89 |
| purchase audio books online from librivox | 0.95 | 0.4 | 1081 | 37 |
