Download or read book The Mesozoic Era written by John P. Rafferty Associate Editor, Earth Sciences and published by The Rosen Publishing Group, Inc. This book was released on 2010-08-15 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores dinosaurs from Sir Richard Owen's first attempts in classifying the strange bones found in his country to the new and contradictory ideas of what they were.