George Orwell's Animal Farm and 1984 have sold 40 million copies in 65 languages, more than any other pair of books by a single writer in history. Since his death in 1950, he has served as a personal and intellectual model for groups of writers across the political spectrum, ranging from the New Left radicals to the New York Intellectuals to the John Birch Society. But his literary achievement alone does not account for the intense admiration--and,...