Teens ripped from the past must stop an AI's killing spree in a rip-roaring time travel adventure from the multiple Bram Stoker Award-nominated author. Only the young can survive time travel. And the future needs . . . you? Yanked ahead four centuries, Bronx highschooler Meagan Cohen finds herself teamed with three other teens from various eras--Karter, a cat-eyed gangboy from decades in her future, Dae-Jung from 1930s...