USA TODAY Sudoku Super Challenge: 200 Puzzles

From the original publisher of daily sudokus in the U.S.,USA TODAYpresents 200 all-new sudoku puzzle challenges in 5 difficulty levels. From the original publisher of daily sudokus in the U.S.,USA TODAYpresents 200 all-new sudoku puzzle challenges in 5 difficulty levels. USA TODAY Sudoku Super Challengeis a collection featuring 200 sudoku puzzles in five difficulty levels fromUSA TODAY--the nation's newspaper. Features include: Introductory how-to section200 9 x 9 sudoku puzzlesComprehensiv...