C.S. Lewis's 1943 The Abolition of Man is a set of three essays that encapsulate some of the most important elements of good critical thinking. Lewis considers a weighty topic, moral philosophy - and more precisely how we teach it, and where morality comes from. As critics and enthusiasts for Lewis's work alike have noted, though, he was not a philosopher as such, but a professor of literature. And rather than presenting novel or original ideas, the...