In an age when people are increasingly skeptical, Os Guinness has provided a valuable guide to sharing truth in an engaging way in his new book Fool’s Talk: Recovering the Art of Christian Persuasion (IVP Books). Explaining why past modes of persuasion are less effective today, Guinness suggests a new approach to creative Christian witness. Ravi Zacharias calls it a “must-read for anyone seeking to engage the skeptic or seeker.”