"Become an eyewitness to the weird and wonderful ways of our world, from tsunamis to tornadoes, and discover nature's awesome potential with this Eyewitness guide. See how earthquakes, floods and hurricanes affect what lies in their path, and what measures we can use to protect ourselves from Mother Nature. Follow the journey of some of the most catastrophic disasters, and witness the rescue operations that followed. Learn, too, about the equipment...

The rise of mountains and the spread of deserts has marked the geologic history of Arizona. Landscapes that we see today are here because of landscapes of the past, and because of tremendous forces deep within the earth, forces that carry continents into collisions and then drag them apart again, forces of heat and pressure and the slow churning boil of the earth's interior. Landscape features result, too, from more comprehensible, more recent forces:...