Ally Carter writes books about spies, thieves, and teenagers. She is the New York Times Best-selling author of Heist Society, Uncommon Criminals, and the popular Gallagher Girls series, including I'd Tell You I Love You but Then I'd Have to Kill You, Cross My Heart and Hope to Spy, Don't Judge a Girl by Her Cover, and Only the Good Spy Young.She lives in the Midwest where her life is either very ordinary or the best deep-cover legend ever. She'd tell you more, but...well...you know...