If you are craving some Romeo and Juliet vibes for a more mature audience, this book may be right up your alley. 

Set in the English countryside during World War II, a German pilot and an English widow meet under unusual circumstances. One act of kindness sets off a relationship that was at the time considered treasonous.

This book offers a little romance, danger, and tragedy while telling a story from a WWII perspective that I’ve never experienced before.