The Tyrannosaurus rex has long been hailed as the king of the dinosaurs, but what do scientists really know about this prehistoric creature? Inside Out: T. Rex shows you all the clues we've gathered! Inside Out: T. Rex offers clues to understanding the most compelling and mysterious dinosaur of them all. Loaded with awesome illustrations and captivating text, a die-cut model within the book's pages will take you inside T. rex's body to reveal, layer by layer, how these giant beasts lived more than 65 million years ago. You won't need a time machine to see this giant, fearsome predator in amazing detail! Each page of Inside Out: T. Rex will bring you even deeper into the world of the Tyrannosaurus rex. You will be amazed by how its specialized anatomy, from its razor-sharp teeth ,to its massive size, to its squishy insides established it as the top of the prehistoric food chain.