Marissa Meyer

"Cinder and Captain Thorne are fugitives on the run, now with Scarlet and Wolf in tow. Together, they're plotting to overthrow Queen Levana and prevent her army from invading Earth. Their best hope lies with Cress, a girl trapped on a satellite since childhood who's only ever had her netscreens as company. All that screen time has made Cress an excellent hacker. Unfortunately, she's being forced to work for Queen Levana, and she's just received orders...