Rubik's Revenge Cube 4 X 4 Manufacturer: Hasbro Games ListPrice: $12.99
The Cube: The Ultimate Guide to the World's Bestselling Puzzle - Secrets, Stories, Solutions Author: Jerry Slocum Manufacturer: Black Dog & Leventhal Publishers ListPrice: $12.95 Offer: $9.32
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