Jack is a novel by Marilynne Robinson, published in September 2020. It is Robinson's fifth novel overall and her fourth in the Gilead sequence, preceded by Gilead (2004), Home (2008), and Lila (2014). It focuses on John Ames "Jack" Boughton, the troubled son of Robert Boughton. He was named after Robert's friend Reverend John Ames, the subject of Gilead (2004). It tells the story of the courtship of Della Miles and Jack Boughton, an interracial couple in post-World War II St. Louis, Missouri.