Discover who found the first dinosaur, how some dinosaurs bellowed, why some dinosaurs were armor-plated, how Tyrannosaurus rex killed its prey, which dinosaurs were intelligent, why dinosaurs' tails were lethal weapons, and much, much more.Favorite Eyewitness titles are now available in Spanish-language editions for American readers. With the help of special language consultants, each book has been expertly translated with U.S. Spanish speakers in mind, offering native speakers and language students alike the opportunity to experience the truly unique resource that is Eyewitness. Copyright (C) Muze Inc. 2005. For personal use only. All rights reserved.