If you liked Hunger Games, the Divergent series, or the Wool series, give Stone Braide Chronicles a try! Thunder, the first book in the series is on sale for 99 cents on:
Amazon
Barnes & Noble
ChristianBooks.com,
and iBooks.

There is also a FREE ebook short story that tells you what happened the day before Thunder starts. You can get that free at:
Amazon
Barnes & Noble