This novel was also published under the title:
While Still We Live
While Still We Live
Krista M. (kskrista) reviewed The Unconquerable (aka While Still We Live) on + 162 more book reviews
Awesome book about an American girl who gets caught up in Poland during the German takeover and how she is believed to be a spy. I guess you could call this a "thriller" since how she gets out of Poland is extremely exciting. This is also a romantic story.