1493: Uncovering The New World Columbus Created Unabridged 14-Disc Set

1493: Uncovering The New World Columbus Created Unabridged 14-Disc AUDIO BOOK CD Type: Audio Book Platform: Audio CD Publisher: Random House Released: 2011 Media: CD 1493: Uncovering The New World Columbus Created Unabridged 14-Disc SetFrom the author of 1491—the best-selling study of the pre-Columbian Americas—a deeply engaging new history of the most momentous biological event since the death of the dinosaurs.More than 200 million years ago, geological forces split apart the continents. Isolated from each other, the two halves of the world developed radically different suites of plants and animals. When Christopher Columbus set foot in the Americas, he ended that separation at a stroke. Driven by the economic goal of establishing trade with China, he accidentally set off an ecological convulsion as European vessels carried thousands of species to new homes across the oceans.The Columbian Exchange, as researchers call it, is the reason there are tomatoes in Italy, oranges in Flor