Start with high-confidence southern us travel books, then narrow by subgenre or adjacent topics.
S Is for Southern
Editors of Garden and Gun, David DiBenedetto
Nashville
Ann Patchett, Heidi Ross
South to America
Imani Perry, Ecco
Deep South
Paul Theroux, Steve McCurry
Managing Ignatius
Jerry Strahan, Jerry E. Strahan
New Orleans
Charles D. Chamberlain
Spying on the South
Tony Horwitz
Dispatches From Pluto
Richard Grant
The Deepest South of All
The Green Book of South Carolina
The WeGOJA Foundation, Joshua Parks
Mountain Ghost Stories and Curious Tales of Western North Carolina
Randy Russell, Janet Barnett