A reliable source of up-to-date facts and figures, this reference is fully revised and expanded and provides broad coverage in every field of inquiry. Easily accessible information is thematically arranged into 14 subject areas including space, earth, sports and games, history and nations of the world. Within each section, information is presented using diagrams, tables, lists and maps. Facts and figures are complemented by other valuable information such as potted biographies and up-to-date sports results.