| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| authors who appeared on castle | 1.18 | 0.4 | 8025 | 16 |
| authors that appeared on castle | 1.13 | 0.1 | 3037 | 6 |
| real authors on castle | 1.42 | 0.7 | 3268 | 90 |
| who writes the castle books | 1.71 | 0.7 | 2339 | 83 |
| mystery writers that appeared on castle | 1.78 | 0.5 | 8446 | 33 |
| who wrote the castle books | 1.54 | 0.1 | 1235 | 42 |
| author of the castle | 1.33 | 0.1 | 8679 | 55 |
| castle episode with famous authors | 0.51 | 1 | 8612 | 46 |
| who wrote the castle | 0.38 | 0.8 | 2455 | 73 |
| authors in first episode of castle | 1.76 | 0.5 | 9426 | 80 |
| famous crime authors in castle tv show | 0.65 | 0.2 | 3651 | 31 |
| who writes the richard castle novels | 1.18 | 0.3 | 2406 | 75 |
| who actually writes the richard castle books | 0.14 | 0.8 | 7728 | 40 |
| who wrote the richard castle novels | 1.61 | 0.5 | 2961 | 28 |
| who wrote richard castle books | 1.25 | 0.2 | 4124 | 18 |
| who wrote the show castle | 0.26 | 1 | 2982 | 15 |
| guest writers on castle | 1.03 | 0.2 | 7268 | 79 |
| books with castle in the title | 0.3 | 0.3 | 2541 | 41 |
| who wrote castle tv series | 0.33 | 0.3 | 6516 | 38 |
