Geometry, Relativity and the Fourth Dimension (Dover Books on Mathematics)
Flatland: A Romance of Many Dimensions (Dover Thrift Editions)
The Fourth Dimension: Toward a Geometry of Higher Reality (Dover Books on Science)
Full Color Illustrations of the Fourth Dimension, Volume 1: Tesseracts and Glomes
The Visual Guide To Extra Dimensions: Visualizing The Fourth Dimension, Higher-Dimensional Polytopes, And Curved Hypersurfaces
The Planiverse: Computer Contact with a Two-Dimensional World
Introduction to Graph Theory (Dover Books on Mathematics)
A Visual Introduction to the Fourth Dimension (Rectangular 4D Geometry)
Flatterland: Like Flatland, Only More So