In 1993, a giant bone was discovered by an amateur fossil hunter in the badlands of central Argentina. The two paleontologists who were summoned to the site tho

Middle school readers can journey into the prehistoric world of tyrannosaurs and discover what it was like to excavate the world's largest T. rex skeleton.

Describes the discovery and reconstruction, in Patagonia, of the fossil remains of the largest carnivorous dinosaur yet known.

From the origin of life, through the age of dinosaurs stalked by the terrifying Tyrannosaurus rex, to the earliest humans, this book tells the story of life on

An illustrated record book of theropod facts and figures--from the biggest to the fastest to the smartest. This compendium features more than 3,000 records, cov