Imagine you live with your aunt, who hates you so much she's going to sell you into a dreadful apprenticeship. Imagine you run away before that can happen. Imagine that you can see ghostsand talk with the dead. People like you are feared, even shunned. Now imaginethe first people you encounter after your escape are a mysterious stranger and a ghost boy, who seem to need you desperatelythough you don't understand who they are or exactly what they want you to do. So you set off on a treacherous journey, with only a ghost dog for company. And you find that what lies before you is a task so monumental that it could change the world.