Download or read book Animals that Changed the World written by Keltie Thomas and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Rats, through the diseases they carry, have probably killed more people than any war or natural disaster, and goats may have been the first to discover coffee. Among the more than 20 animals featured in this book are dogs, sheep, dolphins, silk moths and beavers, all of which have changed the course of history for better or for worse.