Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 34. Chapters: Centerpoint (geometry), Convex body, Deriving the volume of an n-ball, Edge (geometry), Eight-dimensional space, Five-dimensional space, Four-dimensional space, Hexany, Hyperboloid model, Hypercone, Hypercube, John ellipsoid, Linear separability, Menger curvature, N-dimensional sequential move puzzle, N-sphere, Parallel coordinates, Poincare disk model, Proprism, Seven-dimensional space, Simplex, String theory, Transversal plane, Triaprism.