Product Description: Sudoku enthusiasts, rejoice! Here's a collection that features scores of engrossing puzzles that promise to truly test your skills. Created by Terry Stickels, a nationally syndicated puzzle-maker, the challenges range in difficulty from medium and hard to very hard and extremely difficult...read more

Product Description: Take the Sudoku challenge if you dare! Featuring five levels of difficulty, from very easy to very hard, these beautifully and logically constructed grids offer solvers just the right amount of difficulty, allowing them to stay focused and fully enjoy the experience...read more

With its origins most likely to be in ancient Egypt, Mancala is played throughout Africa and has spread to the Caribbean, South America and Asia. This pack centres on the classic version of this popular game.

Product Description: In Japan, where the written language is highly complex and context-dependent, number puzzles are the people's puzzle of choice. Many of the puzzles in this book are unheard of in the U.S., but are established, proven classics in Japan...read more