Is it true that is free state of jones based on a true story based on the following text?

The story is based on the history of Jones County, Mississippi during the Civil War and the immediately following period. Although the plot of the movie is fiction, the overall story follows the history of Jones County, and many of the events portrayed are true. The film is credited as ''based on the books The Free State of Jones by Victoria E. Bynum and The State of Jones by Sally Jenkins and John Stauffer''.
yes