BEASTS BEFORE US: The Untold Story of Mammal Origins and Evolution

Charts the emergence of the mammal lineage, beginning at their murky split from the reptiles in the Carboniferous period, over three-hundred million years ago. They made the world theirs long before the rise of dinosaurs. Traveling forward into the Permian and then Triassic periods, we learn how our ancient mammal ancestors evolved. Well illustrated some in color.