| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| time life books mysteries of the unknown | 1.65 | 0.1 | 9770 | 41 |
| time life books mysteries of the unknown sets | 1.72 | 0.4 | 3708 | 23 |
| time life mysteries of the unknown set | 0.29 | 0.4 | 138 | 74 |
| mysteries of the unknown books | 1.07 | 0.8 | 1614 | 44 |
| mysteries of the unknown book series | 0.84 | 0.1 | 1532 | 77 |
| time life mysteries of the unknown commercial | 0.14 | 0.3 | 3237 | 27 |
| mysteries of the unknown | 0.54 | 0.7 | 5162 | 13 |
| mysteries of the unknown series | 1.8 | 0.2 | 2098 | 52 |
| mysteries of the unknown tv | 0.83 | 0.4 | 2792 | 45 |
| mysteries of the unknown episodes | 1.6 | 0.7 | 7973 | 34 |
| mysteries of life ntd | 0.89 | 0.3 | 6356 | 23 |
| mysteries of the unknown episodes youtube | 0.61 | 0.4 | 6687 | 66 |
| mysteries of the unknown list | 0.74 | 0.4 | 7009 | 23 |
| unknown mysteries of the world | 0.95 | 0.9 | 9700 | 6 |
| the mysteries of the universe book | 0.25 | 0.2 | 5218 | 12 |
| the mysteries of the universe book pdf | 1.5 | 0.9 | 9337 | 10 |
| time life nature series books | 1.95 | 0.3 | 8690 | 52 |
| unsolved mysteries missing time | 1.67 | 0.8 | 1576 | 14 |
| time travel to the unknown | 1.59 | 0.6 | 8446 | 100 |
| new york times mystery books | 0.92 | 0.9 | 3023 | 23 |
