Some people do their jobs in Arctic blizzards or fierce storms on the high seas. For some people, crawling through dark caves, climbing into sewers, searching through animal droppings, or even driving a car off a cliff is all in a day's work. Who does jobs like these, why do they do them, and how do they stay safe doing them? You'll find out in Dirty and Dangerous Jobs. Tornadoes can lift houses off their foundations and send telephone poles flying through the air. Most people rush to take shelter when a tornado is near. But storm chasers rush toward these powerful storms. What do they hope to learn by studying tornadoes up close? Book jacket.