List of Mathematical Papers, Magazine Articles, Books. Great Insights into Rubik type Puzzles. Cubeman's Cube-rated links . Chris Saxon's solution . Meffert's Puzzles Web Site Sells lots of puzzles, many of the cube type.
Site has solutions for the puzzles it sells.
Matthew Monroe's page . Erno Rubik's page . Sells puzzles and games. Including the classic cube , snake , magic , tangle and triamid . Include's Rubik' s own list of links to solutions.