Crest - Marissa Meyer

Cress, having risked everything to warn Cinder of Queen Levana's evil plan, has a slight problem. She's been imprisoned on a satellite since childhood and has only ever had her netsereens as company. All that sereen time has made Cress an exeellent hacker. Unfortunately, she's just received orders from Levana to track down Cinder and her handsome accomplice.

When a daring rescue of Cress involving Cinder, Captain Thorne, Scarlet, and Wolf goes awry, the group is separated. Cress finally has her freedom, but it comes at a high price. Meanwhile, Queen Levana will let nothing prevent her marriage to Emperor Kai. Cress, Scarlet, and Cinder may not have signed up to save the world, but they may be the only hope the world has.