What was the biggest dinosaur?rnWhat was the ice age?rnWhy did the dinosaurs die out?rnThese and hundreds of other questions about dinosaurs area answered in this fascinating book. Simple, easy-to-read text and lively, detailed illustrations introduce the basic concepts of dinosaurs and prehistoric life to young readers.rnrnÔùÅ The Prehistoric World ÔùÅ How the Earth Began ÔùÅ Under th…