See inside the eye of a cyclone, witness hailstones the size of tennis balls, and learn how a gentle mountain stream can become a raging surge within a few minutes. From full-page color photographs to helpful diagrams, from polar regions to the tropics, Eyewitness Hurricane & Tornado shows the disastrous effects of nature's most extreme weather events. Discover a bridge that collapsed due to severe gusts of wind, and learn about a tree species in southwest Africa that can survive several years of drought. Along the way you'll uncover historical items that reveal how ancient civilizations predicted the weather as well as the weather-forecasting techniques that have developed over the centuries and the ways in which human activity can cause weather patterns to change. Each revised Eyewitness book retains the stunning artwork and photography from the groundbreaking original series, but the text has been reduced and reworked to speak more clearly to younger readers. The vibrant annotated photographs and the integrated text-and-pictures approach make Eyewitness a perennial favorite of parents, teachers, and school-age kids.