The Oscar winner is writing a book with the 'New York Times' bestselling author Reese Witherspoon is heading into uncharted territory. At Hello Sunshine's Second Annual Shine Away Conference, the Big Little Lies actress,

Sevier brokered the North American rights deal with Cait Hoyt at CAA for Witherspoon and Lisa Erbach Vance at the Aaron M. Priest Literary Agency for Coben. Century, a division of Penguin Random House UK, will publish simultaneously in the U.K. and Commonwealth (excluding Canada).

Witherspoon announced that she is co-writing a thriller novel with bestselling mystery author Harlan Coben. Witherspoon did not yet reveal the title of the book, but it is set for publication on Oct. 14, 2025, according to a preorder webpage. The site also says the novel is 352 pages and will be distributed by Grand Central Publishing.