Charles Peirce's Guess at the Riddle"Sheriff's text moves the "guess" to a new level of understanding, while integrating much of Peirce's philosophy, and provokes many questions." Society for the Advancement of American Philosophy Newletter "The purpose of Sheriff's work is to expound Peirce's unified theory of the universefrom cosmology to semioticand to discuss its ramifications for how we should live. He concludes that Peirce has given us a theory we can live with. The book makes an