Dinosaurs

What's the largest animal in the world? What's the biggest comet ever seen? The Nature's Record-Breakers series is filled with astonishing answers to questions like these about the natural world. Full-color illustrations of record-breaking wonders are coupled with intriguing facts in a question-and-answer format that addresses a young reader's curiosity about the natural world.The largest, the smallest, the most intelligent -- exciting information about record-breaking dinosaurs is included in this fun and fact-filled book. Learn about carnivores and herbivores, including hadrosaurs, stegosaurs, ceratopsids, plateosaurs, and pterosaurs, and how they once lived on this Earth. Take a look at animals that populated the Jurassic and Cretaceous periods, as well as some scientists' theories on why these great creatures became extinct.