Part 2 -- Other Worlds Section 21 -- How I tried to teach the Theory of Three Dimensions to my Grandson, and with what success Section 22 -- How I then tried to diffuse the Theory of Three Dimensions by other means, and of the result Preface to the second and revised edition, 1884 The End of "Flatland"

Part 2 -- Other Worlds Section 19 -- How, though the Sphere showed me other mysteries of Spaceland, I still desired more; and what became of it Section 20 -- How the Sphere encouraged me in a Vision

Part 2 -- Other Worlds Section 17 -- How the Sphere, having in vain tried words, resorted to deeds Section 18 -- How I came to Spaceland and what I saw there

Part 2 -- Other Worlds Section 15 -- Concerning a Stranger from Spaceland Section 16 -- How the Stranger vainly endeavored to reveal to me in words the Mysteries of Spaceland

Part 2 -- Other Worlds Section 13 -- How I Had a Vision of Lineland Section 14 -- How in my Vision I endeavored to explain Flatland, but could not With sound effects from The Free Sound Project and from The Absolute Sound Effects Archive.

Part 1 -- Our World (continued) Section 11 -- Concerning our Priests Section 12 -- Of the Doctrine of our Priests

Part 1 -- Our World (continued) Section 9 -- Of the Universal Color Bill Section 10 -- Of the Suppression of the Chromatic Sedition

Part 1 -- Our World (continued) Section 7 -- Concerning Irregular Figures Section 8 -- Of the Ancient Practice of Painting

Part 1 -- Our World (continued) Section 5 -- Of Our Methods of Recognizing one another Section 6 -- Of Recognition by Sight