Preface Part One: Laughter 1. Can There Be a Theory of Laughter? 2. The Superiority Theory 3. The Incongruity Theory 4. The Relief Theory 5. A New Theory Part Two: Humor 6. The Variety of Humor 7. Humor as Aesthetic Experience 8. Humor and Freedom 9. The Social Value of Humor 10. Humor and Life Notes Works Cited Index