Karen M. McManus

Karen M. McManus is an American author of young adult fiction, best known for One of Us Is Lying, a mystery set in a school detention room where a student is killed. She went on to write its sequels, One of Us Is Next and One of Us Is Back, along with stand-alone novels such as Two Can Keep a Secret, You'll Be the Death of Me, The Cousins, Nothing More to Tell, and Such Charming Liars. Her first novel spent more than five years on The New York Times Best Seller list.