“The Best Puzzles Are Made by Happy Employees.” So Ad Age describes the credo of Nikoli, the Japanese puzzle company that invented the Sudoku craze and supp

The name of the game is Sudoku, Japanese for "number place," but no knowledge of Japanese language or arithmetic is required to enjoy the game that has sparked

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

Bringing the Brain Teasers Sudoku, which will help you exercise your mind and stimulate your brain power. This superb collection of books in three volumes bring

Prepare to be obsessed. Match wits with the experts who created Sudoku. Arranged from “Easy” to “Very Hard,” here are over 300 logic puzzles that celebr