Go Set a Watchman by Harper Lee retrieves the main character from her famous novel To Kill a Mockingbird and returns her to Maycomb.
Now a resident of New York, Jean-Louise Finch has chosen to return home to Alabama by rail this time rather than air in order to spare her aging father the long drive to Mobile's airport. Besides, the ride on the train as an adult now amuses her since so much is automated; by pushing buttons she can access the washbasin and call the porter. Also, now everything is within her compartment as there is no longer the journey down narrow halls to the lavatory. But, Jean-Louise did discover that she failed to adjust to all this automation when the night before she neglected to read the directions on how to secure her berth so that it would not snap closed. Fortunately, a porter was nearby and he heard the resounding bang of the berth and rescued the embarrassed young woman.
After awakening the next morning, Jean-Louise hears the train chugging through the tremendous circuit of rails in the Atlanta yard, so she remains on her berth until College Park's sign passes her window. Then, after her fourth cup of coffee, the Crescent Limited utters a long, shrill toot as it thunders across the bridge over the wide, muddy Chattahoochee River into Alabama. Glancing out at the historic river, Jean-Louise recalls a poem about this river by Sidney Lanier and, as so often occurs, this memory triggers another--one about her poet cousin, Joshua Singleton St. Clair. Elected by Aunt Alexandra to the level of "a credit to the family," his poetry is framed and prominently displayed in her living room.
Joshua, who resembled a disheveled Algernon Swinburne, was, according to Aunt Alexandra, "cut off in his prime"; while he was at the University of Alabama, Joshua became a voracious reader, devouring not only the words of the nineteenth century poets and writers, but donning the clothing of the era as well. His fanaticism fostered delusions that led him to committing an attempt upon the life of the president of the university, a man Joshua felt was "little more than a sewage disposal expert." So, after much passing of money through legal channels, Joshua was moved from the college to across the tracks where Bryce Mental Hospital was located. There he took up residency until his death.
Despite his failings, Joshua's name and poetry are yet praised by Aunt Alexandra, Jean-Louise recalls, but she chuckles as she brings to mind her father's delightful propensity for always filling in the realistic details to any of her aunt's tales about relatives. Added to this, Jean-Louise wonders if there is not the slightest devilish delight in Atticus's eyes sometimes as he provides these details.