An un-putdownable thriller for fans of Uglies When a crash kills their father and leaves them orphaned, Zel knows she needs to protect her sister, Dyl. But before Zel has a plan, Dyl is taken by strangers using bizarre sensory weapons, and Zel finds herself in a safe house for teens who aren’t like any she’s ever seen before—teens who shouldn't even exist. Using broken-down technology, her new ...