This is the third book in a trilogy. First is Fatal Flaw ~~~~ When a a bleeding 12 year old Percy Jackson appears in Annabeth's backyard 8 years after he was taken to Tartarus she was lost at first She then naturally brings him to see their friends But there's one problem: Why can't everyone see him? Invisible to some and visible to others... What? Why? Percy knows and refuses to say. He's hiding something and Annabeth is going to figure out what because she is not losing her Seaweed Brain again ~~~~ Cover by the Amazhang @Always_Love_Books_