Dr Anthony Harkins, Professor of History at Western Kentucky University and co-author of ‘Appalachian Reckoning: A Region Responds to Hillbilly Elegy’, tells Metro.co.uk that the area is enormous.

J.D. Vance's claim to fame was his book, "Hillbilly Elegy ... area is far from the only example of literature that captures Appalachian culture. Such a diverse region warrants a diverse literary ...