| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| free paperback books for inmates | 1.7 | 0.6 | 9265 | 6 |
| books for inmates free | 0.18 | 0.9 | 5793 | 23 |
| free books for inmates in jail | 1.79 | 0.1 | 9586 | 26 |
| free paperback books for prisoners | 1.14 | 0.2 | 90 | 63 |
| books for inmates in jail | 0.29 | 0.1 | 1650 | 92 |
| books for inmates program | 0.28 | 0.6 | 1035 | 15 |
| free books for inmates by mail | 1.51 | 0.6 | 3081 | 19 |
| amazon books for inmates | 0.65 | 0.5 | 9143 | 45 |
| best books for inmates | 0.36 | 0.8 | 733 | 44 |
| good books for inmates | 1.96 | 0.6 | 6519 | 3 |
| books for inmates to read | 0.08 | 0.1 | 7967 | 24 |
| books about inmates in prison | 0.85 | 0.6 | 2579 | 7 |
| books written by inmates | 0.42 | 0.5 | 1840 | 68 |
| books written by prison inmates | 1.79 | 0.2 | 232 | 55 |
