This may be below your level, but one of the most interesting and unique math books I've seen: http://www.math.sjsu.edu/~swann/mcsqrd.html http://www.math.sjsu

This may be below your level, but one of the most interesting and unique math books I've seen: http://www.math.sjsu.edu/~swann/mcsqrd.html http://www.math.sjsu.edu/~swann/mcsqrd.html