Chapters 16 - 20 (Pages 97 - 130) Summary

A few weeks later, Elizabeth invites Betsy, Lisa and M.N. to her house for a cookout in chapter sixteen. Things go smoothly at first. The girls have a good time laughing and talking about any number of things. They discuss music and movies and movie stars. The four of them also talk about current events in the U.S. Sometime during the conversation, Lisa's tone changes without anyone noticing.

All of a sudden, Lisa attacks Elizabeth while Elizabeth puts out the cooking fire. Lisa seems almost supernaturally strong. Betsy and M.N. attempt to stop Lisa's virulent attack, but they are unsuccessful at first. When M.N. tries to subdue Lisa, Lisa slaps, kicks and punches M.N. Betsy eventually manages to stop Lisa from hurting Elizabeth any more. After the attack, Lisa falls into something...