| 13. | How I had a Vision of Lineland |
| 14. | How I vainly tried to explain the nature of Flatland |
| 15. | Concerning a Stranger from Spaceland |
| 16. | How the Stranger vainly endeavoured to reveal to me in words the mysteries of Spaceland |
| 17. | How the Sphere, having in vain tried words, resorted to deeds |
| 18. | How I came to Spaceland, and what I saw there |
| 19. | How, though the Sphere shewed me other mysteries of Spaceland, I still desired more; and what came of it |
| 20. | How the Sphere encouraged me in a Vision |
| 21. | How I tried to teach the Theory of Three Dimensions to my Grandson, and with what success |
| 22. | How I then tried to diffuse the Theory of Three Dimensions by other means, and of the result |
