Millions of Americans have already acclaimed sudoku as the most addictive, enjoyable puzzle since the Rubik's Cube. So don't wait: Pick up a pencil and solve away! Features:-300 of the world's best sudoku-The puzzles that have taken the world by storm!-Introduction and solving tips from puzzlemaster Will Shortz | Will Shortz Presents The Super-Colossal Book of Sudoku, Paperback | Indigo Chapters