Scott Westerfeld

Just before their sixteenth birthdays, when they will will be transformed into beauties whose only job is to have a great time, Tally's best friend runs away and Tally must find her and turn her in, or never become pretty at all.

In an alternate 1914 Europe, fifteen-year-old Austrian Prince Alek, on the run from the Clanker Powers who are attempting to take over the globe using mechanical machinery, forms an uneasy alliance with Deryn who, disguised as a boy to join the British Air Service, is learning to fly genetically-engineered beasts.

Told from separate viewpoints, teens Scam, Crash, Flicker, Anonymous, Bellwether, and Kelsie, all born in the year 2000 and living in Cambria, California, have superhuman abilities that give them interesting but not heroic lives until they must work as acommunity to respond to a high stakes crisis.