The Dark Design

A New York Times bestsesller, The Dark Design is the third novel in Hugo and Nebula award-winning science fiction legend Philip José Farmer's Riverworld series. Milton Firebrass, once Mark Twain's enemy and now his greatest ally, plans to build a giant airship that can fly to the North Pole of Riverworld. Once there, he hopes to learn the secret of the mysterious tower that dominates the landscape and find the answer to his most urgent question: could the tower contain the Ethicals, the enigmati