El Nino And La Nina - Weather Channel Author:Sally Rose It has been called the biggest weather phenomena of the century. And yet scientists don't know exactly what triggers it. What is El Niño and why does it result in such weather extremes? What is the difference between El Niño and La Niña? These questions and many more are answered in this book chock-full of fascinating facts, color... more »ful photographs -- and so much more!« less