The contents of this book may make you sick. Or they'll fascinate you. If you don't throw up, you'll learn about the horrible, brain-numbing ways nature can freak you out. What happens when you're poisoned? Which insects eat your dead body first? Which animals poop on themselves to keep away predators? What do you call the stone in your intestines made of hair, fingernails, seeds, or dirt? If you don't know but for some reason want to find out, here are 50 naturally nauseating reasons to say "That's disgusting!" How can nature be so gross?