Motion: The Fourth Spatial Dimension: Uniting Four-Dimensional Geometry and Spacetime toward Force, Possibility Intelligence

The Fourth dimension: Sacred Geometry, Alchemy and Mathematics

The Fourth Dimension: Toward a Geometry of Higher Reality (Dover Books on Science)

Geometry, Relativity, and the Fourth Dimension (Dover Books on Mathematics)

Dimension W: Book II: Constraints, Intelligence, and the Geometry of Reality