Karen M. McManus is the author of the young adult thriller One of Us Is Lying, which spent more than a year on the New York Times bestseller list and has been translated into 38 languages worldwide. Her second book, Two Can Keep a Secret, will be released in January 2019.

Karen lives in Massachusetts with her son. She holds a master's degree in Journalism from Northeastern University, which she uses to draft fake news stories for her novels.