Download or read book Countdown to Dinosaur Doom! written by Graham Coleman and published by . This book was released on 1995 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vivid, full-color illustrations and fact-filled text come together in this perfect book for young dinosaur fans. Children can learn to identify not only different dinosaurs, but also different periods--from the Triassic age, 215 million years ago, to the the end of the dinosaur reign. Illustrations feature a running time line.