El Nino and LA Nina 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 Niņo and why does it result in such weather extremes? What is the difference between El Niņo and La Niņa? These questions and many more are answered in this book chock-full of fascinating facts, colorful photographs... more » -- and so much more!« less