Told the story of a kid in London during WWII who helped people in the Blitz. It's an amazing story with lots of action. It's a great book.

Amazing and exciting

It was scary.

Very detailed and exciting story!

I loved the book! It's an amazing book of adventure, mystery and code-breaking. Personally, I found that the book had a lot of action and a big plot twist. Overall experience: I loved it! Great book