Offers 12 fascinating facts about these sandy, stony landscapes. From the Mojave to the Sahara and everything in between, full-color spreads highlight the key features of these dry regions that cover a quarter of Earth's surface.

Deserts cover a quarter of the earth -- Little rain falls in the desert -- Rock and sand cover desert floors -- Deserts are found all around the world -- Animals burrow in cool places -- Insects and invertebrates call the desert home -- Birds soar through the sky -- Plants become inactive during the dry season --The Mojave desert is home to diverse plants and animals -- The Sahara covers much of Northern Africa -- Desertification affects desert ecosystems -- People can help save the world's deserts -- Desert food web.