The dynamic follow-up to the 'perfect' (New York Times Book Review) near future YA thriller Catfishing on CatNet by Naomi Kritzer. It takes an A.I. to catch an A.I. When a mysterious entity starts hacking into social networks and chat rooms to instigate paranoia and violence in the real world, it's up to Steph and her new friend, Nell, to find a way to stop it - with the help of their benevolent A.I. friend, CheshireCat.