Book excerpt: 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.