Seriously, all of you, there is only one writer that embodies reading in the old defecation chambre: Charles Bukowski. He would be proud. While many find him offensive, and others just a purveyor of trash, I recognize him as the greatest American writer of the 20th Century (I'm not alone).
His novels, largely autobiographical, are at once moving, pathetic, and uplifting (and funny as hell). His short stories, largely culled from distant memories and with just a shred of reality, are very, very good. But it is his poetry that is best suited to the can. Usually one poem whilst the actual dropping of the load is taking place. Then, intermittent bits of another while wiping (got to transfer hands occasionally). This is not your grandfather's poetry, by the way. It is some serious shit. Check it out: http://www.levity.com/corduroy/bukowski.htm
"The deeper you go, the higher you fly. The higher you fly, the deeper you go."