Tally Youngblood never felt like the other Pretties-she almost didn't become one. But Tally isn't the only one who feels like she's missing a part of herself. After uncovering sinister clues about the Pretty surgery, she stumbles upon a possible cure for Pretty-mindedness and a possible escape from the city. But the cure could have deadly consequences. "Westerfeld has built a masterfully complex and vivid civilization ..."-School Library Journal