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.

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 explore the incredibly varied environments of this period including the Asian river plains and African watering holes. Along the way, readers also discover early mammals, amazing reptiles, and some of the strangest dinosaurs to ever roam the planet, including huge raptors and the feathered Beipiaosaurus. Through the use of colorful, cutting-edge artwork and helpful scale renderings, the fascinating facts in this book are brought to life in a vibrant, captivating way.

The Middle Jurassic period was one of change in both the natural landscape and the forms of life roaming Earth. Readers take a close look at the diverse environments of this period including African forests and European coastlines. They also learn about the amazing creatures that inhabited these varied places, including the most unique dinosaurs to ever exist. Colorful, cutting-edge artwork allows readers to see incredible features of these dinosaurs in astounding detail, including feathers, spikes, and very sharp teeth.

The Upper Triassic period is when dinosaurs first began to roam Earth. Readers explore the world of the first dinosaurs in this book. They learn about giant sea creatures, such as Cymbospondylus, which could grow to become over 30 feet long and incredible reptiles from environments as diverse as forests, riverbanks, and jungles. Computer-generated renderings of these incredible creatures bring them to life in a new and exciting way for readers. A scale shows how these reptiles measure up next to modern humans.