Renowned dinosaur artist Luis V. Rey and paleontologist and writer Henry Gee use up to the minute research findings to paint a vivid picture of the dinosaurs' world. Their unique approach gives readers lifelike portrayals of dinosaurs similar to that of naturalists in the wild, observing living animals of our own era. Experience dinosaurs as living, breathing creatures, each kind described "from the field" and shown in breathtaking illustrations Observe dinosaur physiology in full color paintings, anatomical sketches, and a host of fascinating incidental detail, much of it never published outside specialist journals Understand the dinosaurs' environment in terms of the world's changing face throughout the 180 million year extent of the dinosaur dominated Mesozoic Era, with a detailed, full color chart that relates the time span of each dinosaur group At a glance icons convey key information about different dinosaur groups, including size, taxonomy, geological period, and geographical origins