| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ww2 air war hisotry book | 0.14 | 0.3 | 7248 | 58 |
| the air war ww2 | 1.27 | 0.2 | 3888 | 98 |
| world war ii air war | 0.43 | 0.6 | 4041 | 42 |
| aircraft of ww2 book | 0.11 | 0.3 | 550 | 8 |
| world war 2 air war series | 0.31 | 0.3 | 4069 | 79 |
| history of ww2 book | 0.13 | 0.4 | 2149 | 50 |
| history ww2 in the air | 1.13 | 0.1 | 5332 | 100 |
| wwii war in the air | 1.4 | 0.8 | 5027 | 8 |
| world war 2 history book | 1.55 | 0.3 | 7202 | 99 |
| aircraft of world war 2 book | 0.79 | 0.7 | 5015 | 8 |
| books on world war 2 airplanes | 0.75 | 1 | 5718 | 91 |
| us army air force ww2 books | 0.28 | 0.2 | 7129 | 28 |
| book on world war 2 | 0.9 | 1 | 4846 | 41 |
| books on world war 2 aviation | 1.24 | 0.4 | 2795 | 23 |
| world war 2 history book pdf | 0.8 | 0.4 | 7274 | 26 |
| world war ii book | 1.8 | 1 | 5907 | 26 |
| book about ww 2 | 0.09 | 0.8 | 6801 | 45 |
| books on ww2 history | 1.55 | 0.5 | 6047 | 64 |
| history books about world war 2 | 0.26 | 0.9 | 5220 | 91 |
