Featuring contributions from more than 250 experts, The Penguin Factfinder is the most comprehensive, authoritative, and up-to-date general fact book available. Organized in thematic sections that cover topics as diverse as science and technology, sports and culture, and religion and mythology, it is a gold mine of facts, figures, and statistics. Backed by maps, diagrams, and a full index and now fully revised and updated, The Penguin Factfinder explores facts and figures on every conceivable topic of current interest, from world climates to musical notation. Whether you are seeking to establish the precise population of Guatemala, the chemical symbol for radium, or a list of Olympic Games medalists, this is the essential source of information.