A field guide to 60 dinosaurs and prehistoric animals that once lived in what is now North America. Featuring stunning illustrations of each animal by world-fam

Book Features: • 32 pages, 7.5 inches x 10 inches • Ages 8-12, Grades 3-6 leveled readers • Simple, easy-to-read pages with vibrant illustrations • Feat

Provides an introduction to patterns of forest ecology, looks at each of the major forest types of eastern North America, examines changes that occur as abandon

Surveys the evolution of the dinosaur population in North America, from the beginning of the age of reptiles to the extinction of the dinosaurs about 65 million

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago. Watch the first dinosaurs appear. See them grow