It Starts with Us is a contemporary romance novel written by #1 New York Times bestselling author Colleen Hoover. Published on October 18, 2022, by Atria Books, it serves as the highly anticipated, direct sequel to her smash-hit 2016 novel, It Ends with Us. The book alternates between the first-person perspectives of Lily Bloom and Atlas Corrigan, providing a deeper exploration of Atlas's past alongside their journey toward a new beginning.