Jennifer Mathieu is an American author known for her young adult novels. She often explores themes of identity, friendship, and the challenges faced by teenagers. Her writing is characterized by relatable characters and engaging storytelling. Some of her notable works include The Truth About Alice and Afterward. Mathieu's books have received positive reviews and are often used in educational settings to discuss important social issues. She is also a teacher, which influences her understanding of young adult literature and the experiences of her readers.