Relax and enjoy solving this Suduko Very Hard book to stay sharp and have fun. Testing your brain with the Suduko Books Difficult to keep you young. A challenging collection of expert level Sudoku large print. How long will it take you to finish them all? 100 unique Sudoku 9x9 puzzles four difficulty levels 100 pages large print for easy solving Book size 8.5" x 11" (21.59cm x 27.94cm) Printed on bright white smooth paper Paperback Premium matte cover finish
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