For further reading ...

Abbott, Edwin A. Flatland, A Romance of Many Dimensions Dover, New York 1952

Dalrymple-Henderson, Linda The Fourth Dimension and Non-Euclidean Geometry in Modern Art Princeton University Press 1983

Emmer, Michele (editor) The Visual Mind, Art and Mathematics MIT Press, Cambridge MA 1993

Peterson, Ivars The Mathematical Tourist, Snapshots of Modern Mathematics W. H. Freeman & Co., New York 1988