Vampire Hollows — Tim O'Rourke

With nowhere else to run but The Hollows, Kiera Hudson finds herself in a world like no other. Entrusted with a secret, she has to make her way to the mysterious Lighthouse set hundreds of miles beneath the Earth. As she makes her journey, Kiera's companions are being murdered one by one. Is the killer among them - and is it the illustrious Elias Munn?Not knowing who to trust, who to love, or who to believe, Kiera makes the most dangerous journey of her life in search of the Elders hidden within the walls of the Dust Palace. With time running out, Kiera knows she must finally make the impossible choice of which race will live and which will die.