| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best selling serial killer books | 1.54 | 0.3 | 8381 | 46 |
| best selling serial killer books fiction | 0.54 | 0.2 | 4274 | 79 |
| best fictional serial killer books | 0.58 | 0.3 | 2751 | 13 |
| best serial killer fiction books | 1.36 | 0.3 | 1027 | 10 |
| best serial killer novels | 1.15 | 0.2 | 5170 | 97 |
| free serial killer books | 0.43 | 0.5 | 5829 | 9 |
| books by serial killers | 1.04 | 0.6 | 1068 | 28 |
| latest books on serial killers | 1.72 | 0.1 | 1245 | 40 |
| best novels about serial killers | 0.44 | 1 | 8727 | 47 |
| free books on serial killers | 1.58 | 0.5 | 7554 | 1 |
| books about real serial killers | 1.07 | 0.2 | 1853 | 1 |
