Rosewater (Wormwood Trilogy, 1) [Thompson, Tade]

Rosewater ‚  is a town on the edge. A community formed around the edges of a mysterious alien biodome, its residents comprise the hopeful, the hungry and the helpless - people eager for a glimpse inside the dome or a taste of its rumored healing powers.

Kaaro ‚  is a government agent with a criminal past. He has seen inside the biodome, and doesn't care to again -- but when something begins killing off others like himself, Kaaro must defy his masters to search for an answer, facing his dark history and coming to a realization about a horrifying future.