Killer

This bestselling series-turned-TV-show explores the lives of Hanna, Aria, Spencer, and Emily - four friends with a penchant for lying and troublemaking. In Killer, the sixth book of the series, the girls face a new threat in town, with unexpected twists and shocking revelations that will keep you hooked until the very end. Written by the #1 New York Times bestselling author Sara Shepard.