It's part of all our lives. But how much do we really know about our shit? In this fun, informative, and compelling book, Mayer, Stori and Van Jahnes compile every fundamental fact about our fundaments. Complete with handsome line-drawings and couldthat- really-be-what-I-think-it-is photos, You Don't Know Shit includes such fascinating nuggets as: What your poo says about you Why some poo floats and other poo sinks How great civilizations have pooed through the ages Whether men really take longer in the toilet The relative quantities of toilet-paper consumption around the world Why silent-but-deadlyA" does exist, and how The most fart-tastic exercises to pursue