They aren't wrong. Although some of Confederate's defenders have likened the show to Amazon's The Man in the High Castle — an adaptation of Philip K. Dick's alt-history novel about German and Japanese occupation of the postwar U.S. — there are major differences between the states of Nazism and the Confederacy today, as Coates points out:
Here's what it boils down to, folks. Weiss and Benioff don't have to scrape the bottom of the creative barrel to make good entertainment. The years before, during, and after the Civil War are ripe with stories that don't involve the torture of black bodies for entertainment value. If Weiss and Benioff want to make anything worthwhile out of Confederate, they'll take their cues from the 10 Civil War books below.
'The Underground Railroad' by Colson Whitehead
Years after her mother left the Georgia plantation where she grew up, Cora embarks on a perilous journey to freedom aboard the — quite literal — underground railroad.
Based on the true story of a slave turned Union agent, Lois Leveen's debut novel takes readers inside of Jefferson Davis' Confederate White House, where the eponymous heroine has been stationed as a spy.
Although it's not about the American Civil War of the 19th century, Omar El Akkad's American War imagines a near-future U.S., violently divided over the use of fossil fuels in an age of catastrophic climate change.
Set not in the U.S., but in the Caribbean, Marlon James' The Book of Night Women follows a 17th-century Jamaican slave named Lilith, who is approached by an all-woman group of freedom fighters after she goes to work in the plantation house.