The Upper Cretaceous period ushered in a time of incredible change on Earth. The end of this period saw a mass extinction event that destroyed all of the dinosa

The Upper Cretaceous period ushered in a time of incredible change on Earth. The end of this period saw a mass extinction event that destroyed all of the dinosa

Readers get a detailed look at the landscapes and creatures of the Lower Cretaceous period and the dramatic changes of life on Earth during that time. They expl

The dinosaurs of the Upper Jurassic were larger than ever before, including the first birds and incredible sea creatures. The most amazing dinosaurs and reptile

Readers discover incredible dinosaurs and lush landscapes in this vibrant book. They experience the flourishing natural environments of the Lower Jurassic perio