Download or read book Teaching the Universe of Discourse written by James Moffett and published by Heinemann Educational Books. This book was released on 1987 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: Did you know that some animals use poop to cool off? It's true. And there's even an animal that uses poop to defend itself! Learn more about the gross things animals do and why they do them. The zoo will never be the same!