None of This is True is a psychological thriller by Lisa Jewell. It centers on two women who discover they share the same birthday after a chance meeting. One woman, a successful podcaster, begins to feature the other woman's life on her show, but as she digs deeper, she uncovers unsettling secrets and realizes that the birthday twin is not who she claims to be. The novel explores themes of identity, obsession, and the blurry lines between truth and fiction.