Go Set A Watchman by Harper Lee. Originally written in the Go Set a Watchman was the novel Harper Lee first submitted to her publishers before To Kill a Mockingbird. Assumed to have been lost, the manuscript was discovered in late 2014
Here is the UK and Commonwealth cover for Harper Lee's second novel:
This novel is set during the and features many of the characters from 'To Kill a Mockingbird' some twenty years later. Scout (Jean Louise Finch) has returned to Maycomb from New York to visit her father Atticus.
Go Set A Watchman' Is A Revelation On Race, Not A Disappointment Nancy Rogers reads Go Set a Watchman in the old Monroe County Courthouse in Harper Lee's hometown, on the morning of the book's release.
The developers of a computerized text-analysis tool ran Harper Lee's "Go Set a Watchman" and “To Kill a Mockingbird” through an algorithm that searched for signs of heavy editing, frequent rewriting and other influences.
James McBride Discusses ‘To Kill a Mockingbird’ for the WSJ Book Club