When did dinosaurs roam the earth? How are dinosaur bones put together? What are fossils, and how do they teach us about the prehistoric world? Young dinosaur fans and curious kids are in for an enormous treat with "Dinosaurs and the Prehistoric World," which offers valuable insight into the lives of creatures that once ruled the earth. Which dinosaurs ate meat and which ate plants? How did they become extinct? Featuring numerous compelling facts that readers can sink their teeth into, this book is a must-have dinosaur reference!.