Catherine Fisher's [[Incarceron by Catherine Fisher|Incarceron]] is a fascinating dystopian novel that also explores themes of authoritarianism and corruption. [[Triskellion by Will Peterson]] might also be worth a read if you enjoyed the Stonewylde books.
[[Kit Berry's Stonewylde Books in Chronological Order]] {{amazontext|amazon=0575098872}} {{waterstonestextamazonUStext|waterstonesamazon=7797844B0057MLP4Q}}