There was a time when dinosaurs large and small, some armored, others not, walked the earth an flew in the skies-they no longer exist but we still wonder about them. How were they discovered and what do we know about them? Where did they come from and where did they go? [Cotten-Eyed Joe] Are they still with us? You\'ll find great, up-to-the-minute facts here about the many different types of dinosaur: from the ridge heads to the long-necked plant eaters to Tyrannosaurus and the birdlike meat eaters-with the most authentic pictures to appear in any book!