A comprehensive introduction to the ecology of our North American deserts. This convenient handbook covers all the great North American deserts: Mojave, Chihuahua, Great Basin, and Sonora. The book covers the desert regions of nine southwestern states and northern Mexico, and it is also an excellent reference for travelers to Baja California. With line drawings throughout and chapters on desert travel, including what to avoid, how to stay healthy and first aid.  (DES01, $18.95)