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Briefly describes, in chronological order, many of the strange animals that lived on earth between the time life began and the appearance of humans.

What is it like to come face-to-face with the ten-foot-tall terror bird? Or stare into the mouth of the largest meat eater ever to walk the earth? Can you imagi

Describes the age after the dinosaurs where huge beasts, reptiles, and flying creatures terrorized the earth.

In the late 1950s, Ted Geisel took on the challenge of creating a book using only 250 unique first-grade words, something that aspiring readers would have both

For most of us, the story of mammal evolution starts after the asteroid impact that killed the dinosaurs, but over the last 20 years scientists have uncovered n