A compendium of slimy and repulsive facts from the authors of Does it Fart? What is hyena butter, and would you want to put it on toast? A hagfish can produce how much slime in 60 seconds? Which animal produces a snotty sleeping bag? How does a bubble snail use mucus to get around? Which organism is the slime champion? Find out the answer to these and other slimy facts and more in Believe it or Snot, the new book from the authors of the New York Times bestseller Does it Fart? and the follow-through True or Poo. Slime, sludge, mucus, ooze, goo - it's all covered in here (but at least you're not covered in it).