The document summarizes chapters 4-5 of the book "Cliff-Hanger" by Gloria Skurzynski and Alane Ferguson. In chapter 4, Lucky was excavating in a cave and finds something that obscures his view. The parents will have to decide what to do about Lucky's behavior. In chapter 5, the author includes a story told by a Hopi ranger to Ashley that provides context and reveals more about the characters' feelings towards Lucky and Ashley.