When a roamer trades them an ancient book with only a few pages remaining, Lina and Doon return to Ember to seek the machine the book seems to describe in hopes that it will get their new community, Sparks, through the winter.
Betty Bunny's mother takes her and her siblings to a toy store where each is allowed to pick out one item, but Betty refuses to choose just one and throws a tantrum when she learns the alternative is to get nothing.