This book introduces the allosaurus, a predator that lived in what is now North America.

A huge dinosaur stomps around on two legs. It hunts with sharp teeth and claws. Its head is large, but its arms are tiny. Was that a Tyrannosaurus? Or was it an

Allosaurus lived a long time ago, but scientists have learned a lot about how this creature lived and what it looked like. “Allosaurus” means “different l

Allosaurus was a huge, meat-eating hunter. An average allosaurus could weigh in at a sturdy four tons. This dinosaur left many fossils, which has allowed scient

Let's explore the exciting world of paleontology! This book is about the discovery of the Allosaurus dinosaur, including information about the dinosaur's appear