Amazon.com description: Product Description: Why does that dinosaur have sharp plates down its back? Readers will learn the answer to this question and more as they explore the world of plated dinosaurs. Readers may be familiar with the Stegosaurus, but theyll also meet some of its spiky friends such as Huayangosaurus and Crichtonsaurus. Readers will enjoy exciting text and fast facts, which are perfectly paired with a detailed illustration of each dinosaur. Anatomy, behavior, and diet are just a few of the subjects that are covered. Readers are sure to leave this book with a sharp understanding of these plated dinosaurs!