Take a trip through time to the prehistoric world! Stare down a Tyrannosaurus Rex in North America. Watch out for Velociraptors’ slashing claws in the Gobi Desert. Marvel at the size of the Giganotosaurus in Argentina. On this amazing adventure, readers will discover the mysteries of dinosaur origins, clues to what they looked like, how they survived, where they lived, and why they became extinct.  What did the world look like during the Age of Dinosaurs? What are fossils and how can we learn from them? Who was the largest and most ferocious dinosaur of all? This expansive guide to dinosaurs large and small answers all these questions and more as readers journey around a lost world and come face to face with dinosaurs! Format: Hardback