The sweeping grasslands are a raging battleground! Witness towering Utahraptors threatening a young Iguanacolossus, Allosaurus locked on to giant Brontosaurus, and other titanic fights to the death. No dinosaur can surrender--all want to be predator, not prey.

Dinosaur rulers: Allosaurus, Brontosaurus -- Locked in combat: Velociraptor, Protoceratops -- Attack on Junior: Utahraptor, Iguanacolossus -- Deadly tail spikes: Ceratosaurus, Stegosaurus -- Lost and alone: Deinonychus, Tenontosaurus -- Believe it or not! -- Dinosaur puzzlers -- Glossary -- Index.