| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| books written by slaves | 1.65 | 1 | 829 | 48 | 23 |
| books | 1.05 | 0.8 | 6338 | 31 | 5 |
| written | 1.19 | 0.2 | 999 | 2 | 7 |
| by | 0.38 | 0.1 | 570 | 19 | 2 |
| slaves | 1.96 | 1 | 5251 | 71 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| books written by slaves | 1.32 | 1 | 8381 | 22 |
| books written by american slaves | 1.27 | 0.7 | 9616 | 93 |
| books written by former slaves | 0.41 | 0.4 | 7051 | 15 |
| books about slavery written by black authors | 0.74 | 0.4 | 7913 | 64 |
| books about black slaves | 1.09 | 0.9 | 6040 | 66 |
| books about slavery by black authors | 1.74 | 1 | 7752 | 32 |
| books on slavery history | 0.88 | 0.6 | 7843 | 23 |
| the book of slaves | 1.41 | 0.4 | 8296 | 92 |
| famous books about slavery | 0.77 | 0.3 | 1091 | 18 |
| free books on slavery | 1.99 | 0.4 | 2203 | 44 |
| historical books on slavery | 0.99 | 0.2 | 1978 | 40 |
| fiction books on slavery | 1.46 | 0.2 | 2587 | 61 |
| best books about slavery | 0.75 | 0.7 | 7905 | 89 |
| best books on the history of slavery | 0.04 | 0.2 | 9212 | 60 |
| authors who wrote about slavery | 0.77 | 0.7 | 3806 | 70 |
