Seventeen-year-old Greg has managed to become part of every social group at his Pittsburgh high school without having any friends, but his life changes when his mother forces him to befriend Rachel, a girl he once knew in Hebrew school who has leukemia.
Warner and his sister Prayer live in a society where a person's size is directly proportional to his or her wealth. The poorest are the size of rats; billionaires the size of skyscrapers. Warner and Prayer are destitute-- and tiny. Their size is not just demeaning, but dangerous: being mauled by cats; no cars or phones built small enough for them, or schools or hospitals, for that matter. Their only hope is to scale up. It seems impossible-- but they're...