Chapter 19, How, Though the Sphere Showed Me Other Mysterious of Spaceland, I Still Desired More; and What Came of It Summary

Sphere introduces Square to the solid shapes of Spaceland by building a sphere with single plane squares. When Square notes he sees only a plane, Sphere replies he is simply not used to changes in shade and perspective. By allowing Square to feel objects and by allowing him to feel their positions Square becomes used to the solids, and can distinguish them from plane figures. Square realizes now this was the peak of his Spaceland visit, and of his life, and that the next moments precede his unavoidable downfall.

Square begins to ask Sphere to take him to the Fourth dimension, which he is now...