Pre-Columbian Sailors Influenced the World is about the spread and diffeusion of plants, animals, doseases, and culture across the world's oceans long before Christopher Columbus ever sailed from Europe. This book details, in an easy-to-understand fashion, the abundnace of evidence available proving that humans from tropical cultures around the world sailed across both the Padifid and Atlantic Oceans long before the Eurpoean Christain Age of Expansion, These earlier sailors brought plants, animals, and some diseases as well as shared cultural traits with other societies they met across the...