New Orleans bluesis largely piano-based, with the exception of some talented guitarists such as Guitar Slim and Snooks Eaglin. And most people are familiar with blues rock.
At All About Jazz, we don't plan to delimit the blues too narrowly. Our reviews will touch on rootsy R&B and zydeco, as well as the more traditional blues styles.
For a more complete overview of the blues, check out the following books: Blues For Dummies
by Lonnie Brooks, Cub Koda and Wayne Baker Brooks Deep Blues
by Robert Palmer All Music Guide to the Blues White Boy Singin' the Blues: The Black Roots of White Rock
by Michael Bane