Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
discover the best books on alien worlds | 1.99 | 0.2 | 1139 | 28 |
best books on aliens | 1.62 | 0.6 | 8764 | 46 |
best alien books fiction | 1.98 | 0.4 | 1320 | 6 |
books about aliens on earth | 0.82 | 0.4 | 6848 | 99 |
best books on ancient aliens | 0.3 | 0.6 | 5994 | 77 |
best novels about aliens | 2 | 0.9 | 8049 | 77 |
best books about alien contact | 1.45 | 0.3 | 3253 | 40 |
aliens books series books | 1.78 | 0.4 | 9514 | 49 |
books written by aliens | 0.54 | 0.4 | 2903 | 41 |
alien adventure in books | 1 | 0.7 | 8045 | 50 |
best alien encounter books | 0.03 | 1 | 1303 | 38 |
books on aliens involving with humans | 0.12 | 0.9 | 7783 | 17 |
best sci fi books about aliens | 0.38 | 0.3 | 3083 | 92 |
fiction books about aliens | 0.82 | 0.8 | 6375 | 56 |
science fiction alien books | 1.46 | 0.8 | 6278 | 3 |
alien books for kids | 0.82 | 0.4 | 8623 | 71 |
books about aliens for kids | 0.39 | 0.7 | 3653 | 35 |
best sci-fi book series with aliens | 1.9 | 0.4 | 3217 | 91 |
aliens from earth book | 0.72 | 0.2 | 9210 | 25 |