-1498? 1450-1501 1474-1557 america biographies biography cabot caribbeanregionexplorationvoyagesbycolón children'sfiction christopher christophercolumbus columbus columbusday corte-real cristóbal discoveryandexploration découverteetexplorationespagnoles earlyworksto1800 explorateurs exploration explorers fiction gaspar general history indiansofsouthamerica indiansofthewestindies john juvenilefiction juvenileliterature maps sciencefiction sebastian spain spanish spanishdiscoveryandexploration spanishlanguagematerials tainoindians westindies