"Take children on a fascinating journey through history, showing them how and where their favorite dinosaurs came to exist, and how events from billions of years ago are still affecting our natural world today. Packed with dynamic historical content, Prehistoric Worlds combines illustrations and photos to help young historians aged 7-9 learn all about the period that shaped our planet. Meet favorite dinosaurs, from the terrifying T.Rex to the spiky stegosaurus; nurture your inner paleontologist by learning about prehistoric plant and animal fossils; and discover destructive extinction events that changed the world forever."