Discover fascinating facts about the human digestive system (and poop ) in this illustrated bathroom gift book for adults parodying the world-famous children's book. ONCE UPON A TIME . . . when you were little, you learned that everyone poops. But did you ever discover how much? Well, sit down on that cold porcelain throne and get ready to laugh your butt off at the most amazing, hilarious, need-to-go facts on the one thing...