This book is a quick (about 200 pages) survey of American culture's schizophrenic portrayal of poor, rural white people. Are they bumpkins like Rip van Winkle or the oversexed, lazy, violent Hatfields and McCoys? The cuddly Clampetts or the dangerous backwoodsmen of "Deliverance"?
Some takeaways: 1.) the "hills" these "billies" come from at times have been the Appalachians, the Ozarks, the Blue Ridge Mountains - the hillbilly image changed as the nation spread west; 2.) that how the hillbilly is portrayed often reflects national concerns about urbanization (for example: during the Depression the image became much more sympathetic due to national attention on rural suffering; 3.) and the decline in representations of rural white people at the end of the 20th Century.
It's chock full of early film stills, Snuffy Smith and Li'l Abner comics, Disney and Warner Bros. animated shorts, The Real McCoys, Green Acres, Ma and Pa Kettle and the Waltons. The book was published in 2004. My only wish would be that Harkins would update this work to include the new rural whites on cable/streaming TV: Duck Dynasty, Honey Boo-Boo and Netflix's "The Ozarks".