Sudoku is the new number puzzle craze sweeping the nation, and Sudoku X is the only puzzle collection to add diagonal play to the Sudoku formula.

From Nikoli, the Japanese puzzle company that created the sudoku craze, comesa title that starts at hard and goes to a level of difficulty not seen in anyprevio

Catch the latest wave in Sudoku-mania! These 275 X-Factor SuDoku puzzles are for the diagonally challenged, in 6 difficulty levels from Simple to Fiendish. X-Fa

A simple understandng of the Sudoku X-Cycle technique to help those Sudoku enthusiast solve those more challenging Sudoku puzzles! After reading this you will u

Challenge your brain, have a fun time, and fight the boredom with the mega Diagonal Sudoku challenging puzzles. This Sudoku activity book includes 120 puzzles o