Sara Shepard is the #1 New York Times bestselling author of the Pretty Little Liars series, The Perfectionists series, and many more novels for teens and adults. She lives with her family in Pittsburgh. Lilia Buckingham is a sixteen-year-old writer, actress, dancer, and student. With a strong social media presence, Lilia hates the term "influencer" but loved writing Influence. She lives in Los Angeles with her mother, brother, and two dogs.