Don't get too close to a porcupine These prickly creatures defend themselves with a suit of armor--30,000 sharp quills that can be shot like arrows into an enemy's flesh If the needle-like quills aren't enough to scare a hungry predator away, a porcupine makes a stinky odor that's so horrible it can make an enemy's eyes and nose water These are just some of the fascinating facts kids will discover as they explore the world of these prickly animals...