Revealing the hidden world, this completely unique system of show-and-tell combines cutting-edge computerized photomontage and acetate technology with tried-and-true nonfiction subjects. Full color. Details the evolution of dinosaurs and pterosaurs through the Triassic, Jurassic, and Cretaceous periods. Incljdes more than 250 superb illustrations - detailed full-colour restoration art, maps, time lines, and skeletal drawings. View More...