National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Polyhedra Classification
This question and answer site provides a lot of basic information about polyhedra. The five regular polyhedra, "The Platonic Solids," are described.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Stellated Dodecahedron
This question and answer site provides information about stellated dodecahedrons, as well as several internet links to this topic.