Sudoku is a phenomenon all over the world. The addictive logic game, originated in the U.K. and popularized in Japan, has spread across the globe. The puzzles a

For the puzzle fanatic. A collection of challenges from throughout history, featuring some of the greatest ever puzzle masters . . . --------------------------

SUDOKU (SOO-DOH-KOO)-a 9x9 logic puzzle to superheat the very core of your brain and to challenge your numeracy, spacial awareness and problem-solving abilities