1. PART I: THIS WORLD

  2. Section 1. Of the Nature of Flatland

  3. Section 2. Of the Climate and Houses in Flatland

  4. Section 3. Concerning the Inhabitants of Flatland

  5. Section 4. Concerning the Women

  6. Section 5. Of our Methods of Recognizing one another

  7. Section 6. Of Recognition by Sight

  8. Section 7. Concerning Irregular Figures

  9. Section 8. Of the Ancient Practice of Painting

  10. Section 9. Of the Universal Colour Bill

  11. Section 10. Of the Suppression of the Chromatic Sedition

  12. Section 11. Concerning our Priests

  13. Section 12. Of the Doctrine of our Priests

  14. PART II: Other Worlds

  15. Section 13. How I had a Vision of Lineland

  16. Section 14. How I vainly tried to explain the nature of Flatland

  17. Section 15. Concerning a Stranger from Spaceland

  18. Section 16. How the Stranger vainly endeavoured to reveal to me in words the mysteries of Spaceland

  19. Section 17. How the Sphere, having in vain tried words, resorted to deeds

  20. Section 18. How I came to Spaceland, and what I saw there

  21. Section 19. How, though the Sphere shewed me other mysteries of Spaceland, I still desired more; and what came of it

  22. Section 20. How the Sphere encouraged me in a Vision

  23. Section 21. How I tried to teach the Theory of Three Dimensions to my Grandson, and with what success

  24. Section 22. How I then tried to diffuse the Theory of Three Dimensions by other means, and of the result