Shadowsmith:

Are you brave? When mysterious Amelia Pigeon turns up at Kirby's bedroom window in the dead of night, this is the question she asks him – immediately before they tumble into a world of ancient malevolent spirits who have torn their way into Kirby's sleepy seaside village.  Ross MacKenzie weaves a world of magic and adventure, which twists and turns magnificently and will keep thrilled young readers guessing right to the end.