| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| best book about the underground railroad | 1.39 | 0.2 | 6168 | 97 | 40 |
| best | 1.56 | 1 | 9193 | 67 | 4 |
| book | 0.06 | 0.5 | 3651 | 1 | 4 |
| about | 1.54 | 0.4 | 6103 | 33 | 5 |
| the | 1.98 | 0.9 | 2184 | 42 | 3 |
| underground | 0.68 | 0.5 | 8493 | 46 | 11 |
| railroad | 1.01 | 0.7 | 5071 | 61 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best book about the underground railroad | 1.18 | 0.6 | 8989 | 94 |
| the underground railroad book review | 0.52 | 0.3 | 8522 | 66 |
| the underground railroad book pdf | 1.77 | 0.8 | 1954 | 40 |
| the underground railroad goodreads | 0.17 | 0.5 | 4044 | 52 |
| underground railroad book free | 0.3 | 0.7 | 4514 | 66 |
| underground railroad online book | 1.6 | 0.6 | 8046 | 17 |
| picture books about underground railroad | 1.9 | 0.6 | 4041 | 11 |
