It Starts with Us is a romance novel by Colleen Hoover, published by Atria Books on October 18, 2022.[1] It is the sequel to her 2016 best-selling novel It Ends with Us.[2] The novel continues from where It Ends with Us ended and centers on the relationship between Lily and Atlas.[3] It alternates chapters between the first-person narration of Lily and Atlas. The sequel was first announced in February 2022. It became Simon & Schuster's most pre-ordered book of all time. Hoover wrote the novel as a "thank you" to fans of the first novel.