When she returns home after two years, Fever finds that her Scriven mother's creation, New London, the city on wheels, is nearly complete and ready to fight the nomad tribes of Britain--and Fever must journey to the north to find the ancient birthplace of the Scriven mutants and solve the mystery of her own past.

A freshman at MIT, seventeen-year-old Mei Lu tries to live up to her Taiwanese parents' expectations, but no amount of tradition, obligation, or guilt prevent her from hiding several truths--that she is a germaphobe who cannot become a doctor, she prefers dancing to biology, she decides to reconnect with her estranged older brother, and she is dating a Japanese boy. Can she find a way to be herself, before her web of lies unravels?

After rebel Tally Youngblood brings down the uglies/pretties/specials regime, fame, instead of beauty, becomes the new world order, and fifteen-year-old Aya Fuse embarks on a dangerous plan to boost her popularity ranking.