First on the CBS This Morning podcast, you can hear the prologue and first chapter of author Dan Brown's new book "Origin." This is Brown's first novel in four years and his fifth Robert Langdon novel. Brown's books, which include "The Da Vinci Code" and "Inferno," have sold over 200 million copies. Dan Brown will be live on CBS This Morning on October 3rd, 2017. Excerpted courtesy of Penguin Random House Audio from the audiobook edition of "Origin" by Dan Brown, narrated by Paul Michael.