Bloodlines (vampire academy book 7)

Lissa has been elected queen. But many are upset so in order to get kicked out they must either kill her so her half-sister Jill. In order to protect Jill they must send her away and create a fake life. When they move to palm spring moroi start dying. Many become suspicious. Then tattoos infused with vampire blood start showing up around the school. This is a reason for the alchemists to show up. When Keith starts doing weird things , Sydney starts investigating whats going on. Who could be killing these random moroi, and why? What is Keith doing? This book is amazing you think you know whats going to happen but then it turns around and you are totally surprised.