Bestselling author Lawrence Bergreen’s most recent book, Columbus – The Four Voyages is about Christopher Columbus's 1492 voyage across the Atlantic Ocean in search of a trading route to China and three subsequent voyage. These voyages revealed the celebrated, controversial Columbus's uncanny sense of the sea, his mingled brilliance and delusion and his superb navigational skills. Bergreen’s Marco Polo: From Venice to Xanadu, is being developed into a Warner Bros. feature film starring Matt Damon. His previous work, Over the Edge of the World: Magellan’s Terrifying Circumnavigation of the Globe, published in 2003, was a New York Times “Notable Book” for 2003, and is also in development as a motion picture. A frequent lecturer at major universities and symposiums, he also serves as a featured historian for The History Channel. Free for members, $5 for non-members.