| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| books on space programs | 1.16 | 0.7 | 9929 | 76 | 23 |
| books | 0.66 | 0.1 | 8308 | 29 | 5 |
| on | 0.89 | 1 | 5492 | 19 | 2 |
| space | 1.54 | 0.9 | 8008 | 79 | 5 |
| programs | 1.66 | 0.8 | 8591 | 31 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| books on space programs | 1.67 | 0.7 | 9089 | 75 |
| best books about nasa space program | 1.55 | 0.1 | 9142 | 82 |
| free books about space | 0.34 | 0.4 | 9318 | 59 |
| new books on space | 1.59 | 0.5 | 4439 | 38 |
| books based on space | 0.33 | 1 | 3577 | 35 |
| books on space science | 1.12 | 0.8 | 8743 | 10 |
| kids books on space | 1.37 | 1 | 1629 | 18 |
| books related to space | 0.11 | 0.7 | 1230 | 25 |
| books on space exploration | 0.06 | 0.3 | 5489 | 62 |
| secret space program books | 0.21 | 0.8 | 8920 | 71 |
| books related to space science | 1.91 | 0.3 | 184 | 93 |
| book for kids on space | 1.08 | 1 | 6452 | 97 |
| space books for children | 1.54 | 0.1 | 1063 | 45 |
| space books to read | 1.57 | 0.5 | 1877 | 41 |
| great books about space | 0.44 | 0.3 | 8769 | 67 |
| list of space programs | 1.81 | 0.9 | 2777 | 20 |
| space related books for kids | 1.52 | 0.2 | 9840 | 80 |
