Margaret Colleen Hoover is an American author who primarily writes novels in the romance and young adult fiction genres. She is best known for her 2016 novel It Ends with Us. Many of her works were self-published before they were picked up by a publishing house. As of October 2022, Hoover had sold approximately 20 million books. She was named one of the 100 most influential people in the world by Time magazine in 2023. No. 1 on The New York Times Fiction best seller list for 2 weeks, from the issue of July 16, 2023 (Grand Central Publishing). Wiki link