The Cube: The Ultimate Guide to the World's Bestselling Puzzle - Secrets, Stories, Solutions: Jerry Slocum, David Singmaster, Wei-Hwa Huang, Dieter Gebhardt, Geert Hellings, Erno Rubik: 9781579128050: Amazon.com: Books
Rubik's Solve The Cube, 4-Pack Bundle Edge 2x2 Mini 3x3 Original 4x4 Master Brain Tease Toy Gift Set, for Adults & Kids Ages 8 and up Amazon Exclusive