The third title of the Universe Trilogy tells how, after the extinction of the dinosaurs, tiny mammals survived and morphed into lots of new Earthlings...horses, whales, and even humanoids. Simultaneous.
This remarkable evolution series, narrated by the Universe itself, concludes with Book 3, the amazing story of mammals. It picks up with the extinction of dinosaurs, and tells how tiny mammals survived and morphed into lots of new Earthling...