The late Harry Crews is regarded as one of the greatest, gnarliest storytellers of the Deep South, with his stories full of dark humor, suffering, and sweat. So far three of his books have been reissued by Penguin Classics — 1968's _Gospel Singer_ , 1978's _A Childhood: The Biography Of A Place_ , and 1988's _The Knockout Artist_ — and now his 1990 novel _Body_ is getting a new edition from the…