None of This Is True by Lisa Jewell

None of This Is True by Lisa Jewell  is a psychological thriller about a podcaster, Alix Summer, who meets Josie Fair—her "birthday twin"—and agrees to feature her on her show. Josie claims to have a dark and troubled past, but as her story unfolds, Alix begins to suspect she's being manipulated. The lines between truth and fiction blur as Josie inserts herself into Alix’s life, threatening her safety and sanity.