Rosewater (The Wormwood Trilogy)

"Rosewater is a town on the edge. A community formed around the edges of a mysterious 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. A sensitive, he can navigate the massive psychic space created by the dome. But when something within the dome begins killing other sensitives, Kaaro must defy his masters to avert a horrifying future."--Back cover.