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.

Now that the world is in a complete cultural renaissance, fifteen-year-old Aya Fuse, an Extra, just wants to lay low, so when she discovers the secret lives of the Sly Girls, she wants to report their story, but Aya knows that would propel her into celebrity--a status she's not prepared for.

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.

Assuming her twin's identity, Frey works to destroy her father. When a rebel uprising strands her in Pas, and the city comes under attack, Frey must step out of the shadows to find her missing sister and take action against her tyrant father.

In a world that is rapidly descending into chaos, Frey and Rafi are twin sisters, but few people know of Frey's existence, because she has been raised to be her sister's body double and lethal bodyguard, while Rafi has been raised to further the family's political power--but when their father sends Frey in her sister's place as collateral in a tricky deal, Col, the son of a rival leader, gets close enough to begin to suspect something, and Frey must...

"Frey has spent her life in a family of deceivers, a stand-in for her sister, manipulated at her father's command. Free from them at last, she is finding her own voice -- and using it to question everything her family stood for. Tally was once the most famous rebel in the world. But for over a decade, she's kept to the shadows, allowing her myth to grow even as she receded. Now she sees that the revolution she led has not created a stable world. Freedom,...

Continues the story of Austrian Prince Alek who, in an alternate 1914 Europe, eludes the Germans by traveling in the Leviathan to Constantinople, where he faces a whole new kind of genetically-engineered warships.

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.

In alternating chapters, eighteen-year-old Darcy Patel navigates the New York City publishing world and Lizzie, the heroine of Darcy's novel, slips into the "Afterworld" to survive a terrorist attack and becomes a spirit guide, as both face many challenges and both fall in love.

Alek and Deryn encounter obstacles on the last leg of their round-the-world quest to end World War I, reclaim Alek's throne as prince of Austria, and finally fall in love.