The life and times of one of the world's greatest navigators. Join Columbus on his famous voyage as he struggles against muddled maps, mutiny, his sailors' fear of sea monsters, and the common belief that the world was flat and that he and his crew were going to "sail over the edge".

Sean J. Dolan has degrees in literature and history from the State University of New York. He is the author of a biography of Chiang Kai-shek, the Chinese leader, and has edited many books on historical subjects, including a series on world explorers past and present.