Paul Fleisher 
Desert Food Webs in Action [PDF ebook] 

Snakes, lizards, rabbits, mice, mountain lions, and hawks are some of the many animals that make up a desert food web. But do you know how desert animals depend on cactuses, grasses, and other plants to stay alive? Or why tiny insects, fungi, and bacteria may be among the most important living things in a desert? See desert food webs in action in this fascinating book.