Speedsolving the Cube: Easy-to-Follow, Step-by-Step Instructions for Many Popular 3-D Puzzles Author: Dan Harris Manufacturer: Sterling ListPrice: $9.95 Offer: $9.95
Adventures in Group Theory: Rubik's Cube, Merlin's Machine, and Other Mathematical Toys Author: David Joyner Manufacturer: The Johns Hopkins University Press ListPrice: $25.00 Offer: $22.50