EExplorations and DiscoveriesExplorations and Discoveriesde Irving RobbinMateriasDiscoveries in geography, juvenile literatureDiscoveries in geographyEdiciones (1)Explorations and Discoveries (1961)Penguin Publishing Group · inglés · ISBN 9780448040196Más obras de Irving RobbinThe how and why wonder book of guns.The how and why wonder book of lost citiesThe how and why wonder book of basic inventions