| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| space books for free | 0.59 | 0.5 | 4702 | 8 | 20 |
| space | 0.95 | 0.3 | 1620 | 54 | 5 |
| books | 1.81 | 0.5 | 2687 | 39 | 5 |
| for | 0.21 | 1 | 715 | 76 | 3 |
| free | 1.53 | 0.7 | 4871 | 10 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| space books for free | 1.4 | 0.6 | 1010 | 19 |
| free kindle space opera books | 1.32 | 1 | 8769 | 35 |
| kindle free books space adventure | 0.54 | 0.5 | 6823 | 15 |
| free space opera books | 1.58 | 0.2 | 2706 | 87 |
| cricut design space for beginners free book | 0.89 | 0.6 | 3010 | 82 |
| online space free books | 1.18 | 0.6 | 4080 | 5 |
| free space adventure books | 1.55 | 1 | 7017 | 23 |
| free deep space books | 1.98 | 0.6 | 3597 | 74 |
| space opera on kindle unlimited | 1.64 | 0.7 | 963 | 98 |
| amazon space opera books | 0.37 | 0.4 | 4000 | 15 |
| best space opera books | 0.22 | 0.7 | 764 | 23 |
| good space opera books | 1.71 | 0.9 | 1185 | 43 |
| space opera series books | 1.78 | 0.1 | 5960 | 37 |
| best space opera books series | 1.13 | 0.5 | 8621 | 20 |
| kindle space opera with cats | 1.43 | 0.4 | 4081 | 3 |
| best space opera audio books | 0.78 | 1 | 1852 | 52 |
| top space opera books | 0.42 | 0.3 | 9827 | 24 |
| top 10 space opera books | 0.72 | 0.5 | 7628 | 47 |
| latest space opera novels | 0.52 | 0.6 | 5414 | 49 |
| best space opera novels | 1.95 | 0.7 | 813 | 5 |
