Deserts may seem like harsh, uninhabitable places, but they support a diverse quantity of plant and animal life. And, they aren't always hot! Deserts serve an important role in Earth's existence, too. Readers learn about hot and cold deserts alike, as well as semiarid and coastal deserts. From the Horned Lizard to the Saguaro cactus rooted in rich soil, the desert biome will amaze readers.