| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| good space opera books | 0.41 | 0.3 | 5254 | 4 | 22 |
| good | 1.04 | 0.7 | 2323 | 22 | 4 |
| space | 0.19 | 0.8 | 4718 | 84 | 5 |
| opera | 0.45 | 0.9 | 9072 | 13 | 5 |
| books | 0.69 | 0.7 | 43 | 94 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| good space opera books | 1.86 | 1 | 9268 | 26 |
| good modern space opera books | 0.21 | 0.2 | 4094 | 11 |
| top 10 space opera books | 0.45 | 0.5 | 262 | 79 |
| best space opera series books | 0.18 | 0.9 | 8641 | 30 |
| best space opera books of all time | 1.44 | 1 | 6479 | 98 |
| best new space opera books | 0.84 | 0.7 | 1835 | 15 |
| great space opera novels | 1.39 | 0.5 | 3413 | 56 |
| free space opera books | 1.44 | 0.2 | 5371 | 55 |
| greatest space opera novels | 1.25 | 0.4 | 5904 | 96 |
| best space opera audio books | 0.71 | 0.8 | 6972 | 78 |
| amazon space opera books | 1.63 | 0.5 | 8238 | 85 |
| best space opera novels of all time | 0.04 | 1 | 656 | 7 |
| top space opera book series | 0.74 | 0.9 | 4257 | 58 |
| best space opera science fiction books | 1.7 | 0.9 | 1533 | 12 |
| best space opera series | 0.64 | 0.4 | 409 | 22 |
| space opera book series | 0.94 | 0.4 | 8853 | 81 |
| latest space opera novels | 0.8 | 0.3 | 6022 | 99 |
