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 dinosaurs, but the years before that event featured more species of life on Earth than ever before. In this book, readers discover the incredible dinosaurs and other creatures that lived during this time, including the massive carnivore, Spinosaurus. They also explore the lush landscapes of the Upper Cretaceous including the Horseshoe Canyon of North America and African shorelines. Cutting-edge, computer-generated renderings of these creatures and environments make the prehistoric world intriguing and accessible to all readers.
