| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| world war i airplanes books | 0.26 | 0.9 | 957 | 36 |
| books on world war 2 airplanes | 1.23 | 0.6 | 381 | 21 |
| world war i airplanes | 0.14 | 1 | 9823 | 86 |
| world war 1 aviation books | 0.51 | 0.2 | 2422 | 50 |
| great book of world war ii airplanes | 1.42 | 0.9 | 8009 | 63 |
| books on war planes | 0.05 | 0.6 | 5520 | 2 |
| world war i planes | 0.78 | 0.5 | 7890 | 26 |
| books on ww2 planes | 0.63 | 0.3 | 7932 | 98 |
| airplanes of the world book | 1.04 | 1 | 3592 | 14 |
| the great book of ww2 airplanes | 1.54 | 0.3 | 5070 | 60 |
| world war i books | 0.58 | 0.5 | 3368 | 69 |
| books on world war 2 aviation | 0.61 | 0.3 | 7504 | 16 |
| world war i aircraft | 1.06 | 0.1 | 3728 | 98 |
| aircraft of world war 2 book | 0.11 | 1 | 589 | 86 |
| ww2 air war books | 1.03 | 1 | 1833 | 81 |
| aircraft of ww2 book | 1.82 | 0.2 | 3083 | 96 |
