Sara Shepard is an American author best known for her young adult book series, particularly Pretty Little Liars. Born on April 8, 1977, in Pittsburgh, Pennsylvania, she began her writing career after graduating from New York University and Brooklyn College. Her work often explores themes of friendship, secrets, and the complexities of adolescence. In addition to Pretty Little Liars, Shepard has written several other series, including The Lying Game and Perfectionists. Her books have gained popularity for their engaging plots and relatable characters, leading to adaptations in television and film. Shepard continues to write and inspire young readers with her stories.