We call it a waste product, but poop can also be bricks to build a house, fuel to power a trip to Mars, wipes for a baby's bottom, buttons for your next sweater. Poop? YES POP And that's not all. Birds drop it as bombs. Mole-rats use it as a password. Sharks track their prey with it. People cook with it, sculpt with it, and even use it as a Frisbee While we politely avoid the subject, amazing things are happening in digestive tracts all over the world. Kids (and adults too ) will be captivated by the astounding facts contained in this fascinating book, featuring hilarious illustrations.