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1493 uncovering the new world columbus created is a nonfiction book by charles c mann first published in 2011 it covers the global effects of the columbian exchange following columbus first landing in the americas that led to our current globalized world civilization it follows on from manns previous book on the americas prior to columbus 1491 new revelations of the americas before . From the author of 1491 the best selling study of the pre columbian americas a deeply engaging new history that explores 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 totally different suites of plants and animals. 1493 has 13657 ratings and 1229 reviews mal said chances are youre aware that the potato originated in peru and smallpox in africa and that both s. And so mann did 1493 is much more than just ecological imperialism warmed over however mann takes the argument into new territory by suggesting that only by understanding what