Requiem (Delirium Trilogy 3) - Lauren Oliver

The thrilling climax to one of the most eagerly awaited series since The Hunger Games and Twilight.

I've started dreaming of Portland again. Like a monster from one of the ghost stories we used to tell as kids, the past has been finding its way in. It bubbles up through the cracks when I'm not paying attention, and pulls at me with greedy fingers.
This is what they warned me about for all those years: the heavy weight in my chest, the nightmare-fragments that follow me even in waking life.
I warned you, Aunt Carol says in my head.
We told you, Rachel says...