"Awesome Ancient Animals: T. rex Is King: Cretaceous Life" by Dougal Dixon ...More
The great and final age of huge dinosaurs saw such creatures as Tyrannosaur...More
The era of the mammoth--a huge hairy ancestor to the modern elephant--as we...More
This was the age of early amphibians and reptiles, lasting roughly from 248...More
In "Awesome Ancient Animals: Dinosaurs Dominate: Jurassic Life," readers ar...More
"Awesome Ancient Animals: Huge Hunters Roam the Earth" by Dougal Dixon expl...More
The earliest-known animal forms on Earth, trilobites lived mainly in shallo...More
The most recent Ice Age is the period during which modern man and mammals a...More
These early dinosaurs inhabited a world that would have been unrecognizable...More
In "Awesome Ancient Animals: Reptiles Rule: Triassic Life," Dougal Dixon ex...More