Ready for more of a challenge? Once you've mastered the easy puzzles it's time to take it up a notch Includes: -200 medium-level puzzles-Perfect portable size-Edited by Will Shortz This description may be from another edition of this product.
Will Shortz sudoku books are the very best for avid fans. The format is user-friendly -- large, well-marked grids. The puzzles themselves are great and, in this book, quite ingenious. I highly recommend this book.
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