Explores armored dinosaurs, looking at how they survived millions of years ago and what they have in common with today's animals.

Some armored dinosaurs were larger than elephants. They were covered with plates and spikes and had heavy, clubbed tails. Find out how the armored dinosaurs fought off the big, meat-eating dinosaurs.

Ankylosaurus and other armored dinosaurs were the tanks of the prehistoric world. Sharp spikes and rock-hard plates protected these plant eaters from dangerous predators. Bold images, colorful maps, and interesting facts take readers back to a time when armored dinosaurs walked the earth.

Many dinosaurs from around the world had plates attached to their backs. Some of their plates were as small as a dime, while others were as large as the lid of a trash can. Learn how they used their plates to survive.

Some plant-eating dinosaurs of the world had sharp horns and armored neck plates. Learn how these dinosaurs used horns and armor to defend themselves from attack or to scare away predators.

Some plant-eating dinosaurs developed a bill similar to a duck's. But unlike ducks, the dinosaurs also had hundreds of little teeth. Find out how the duckbilled dinosaurs survived among predators.

Toward the end of the Age of Dinosaurs, some of the meat-eating dinosaurs became birdlike. They were covered in feathers. Learn how these dinosaurs lived and compare them to modern-day animals.