The monster in Conors backyard is not the one hes been expecting the one from the nightmare hes had every night since his mother started her treatments. This monster is ancient. And wild. And it wants something from Conor. It wants the truth. From the final idea of award-winning author Siobhan Dowdwhose premature death from cancer prevented her from writing it herselfPatrick Ness has spun a haunting and darkly funny novel of mischief, loss, and monsters both real and imagined. This paperback movie tie-in edition includes a book group discussion guide.