**Description: **
Polytopes are geometrical figures bounded by portions of lines,
planes, or hyperplanes. In plane (two dimensional) geometry, they
are known as polygons and comprise such figures as triangles,
squares, pentagons, etc. In solid (three dimensional) geometry
they are known as polyhedra and include such figures as
tetrahedra (a type of pyramid), cubes, icosahedra, and many more;
the possibilities, in fact, are infinite! H. S. M. Coxeter's book
is the foremost book available on regular polyhedra,
incorporating not only the ancient Greek work on the subject, but
also the vast amount of information that has been accumulated on
them...

more...
]]>