Deserts are some of the most hostile human environments on earth, with extreme heat and aridity presenting special challenges. Here, survival expert Don Mann tells you how to find food, shelter, and water in areas that may look barren to the naked eye. Did you know that all cactus fruits are safe to eat? Did you know that you shouldn't ration water in the desert? What if you are bitten by a scorpion—how would you treat the sting? Learn about these and other desert survival skills, including treating dehydration, finding edible plants, dealing with sandstorms and flash floods, and much more.