Glyptodonts were ancient armadillos. Their big shells protected them from predators! In this title, readers explore the lives of these Ice Age animals. Leveled text and detailed illustrations highlight glyptodonts' body parts, habitats, favorite foods, extinction, and more. Special features map where they lived, show off a fossil find, and compare glyptodonts to a modern relative. A final two-page profile shares important information about glyptodonts in one place.