Cesar Caviedes provides a comprehensive historical account of El Nino, the fascinating and disruptive weather phenomenon that has affected weather cycles all over the globe for thousands of years. Combining scientific accuracy with readable presentation, he brings together all existing information, references and clues about past El Nino occurrences and their impact on political, military, social, economic and environmental history. This sweeping demonstration of the impact of climatic fluctuation on human history should be fascinating to the scientific community as well as to the general public.