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HomeSudoku BooksMartial Arts Sudoku Level 9: Black Belt Sudoku |
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| Customer Reviews: | | Average Customer Review: ( 10 customer reviews )
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Most Helpful Customer Reviews
6 of 7 found the following review helpful:
 Black Belt Sudoku Jan 14, 2008
By S. Parker
Good, difficult puzzles, but I was a little disappointed that the book was smaller than the 2nd Degree Black Belt Sudoku that we purchased earlier. This book only has one puzzle per page instead of two, and I probably wouldn't have bought it had I realized that.
3 of 3 found the following review helpful:
 if you really like hard sudoku Nov 01, 2007
By cwede
I enjoy the toughest Sudokus, I do solve them all; when really at a 'dead-end', I rely on "Ariadne's thread", aka 'smart-guessing' (once I have narrowed down dozens of relations). This book drives me to that process more than any other, including more often than with Frank Longo's other good book "Second-Degree Black Belt Sudoku".
2 of 2 found the following review helpful:
little and difficult Feb 09, 2008
By Tudor Austin
Frank Longo is the only sudoku writter that I will do. This is a great little takealong book. It has a hard cover so you can write without another surface. It has good paper for erasing pencil marks. The puzzles are difficult and incorporate many of the stratagies he has put forth in his instruction book. All in all, a great little book, I only wish it had more puzzles.
2 of 2 found the following review helpful:
Prepare to exercise your brain! Nov 07, 2007
By sudoku racer
I love this book and have all of them from level 6 up. Almost all of these can be solved without any forcing. I enjoyed every minute of this book. I wish there was a level 10, 11, and 12 so the enjoyment could go on. Alas, the search for more truly hard sudoku books continues now that I have done every puzzle in this book twice.
1 of 1 found the following review helpful:
Great gift Feb 13, 2010
By P. Dallett
"advanced readers mom"
My husband loves puzzles like Sudoku. A few Christmas's ago I gave him one of these as a stocking stuffer. This past year he requested I get him more/next level up. It doesn't take him long to use one of these up, but it's nice and portable.
See all 10 customer reviews on Amazon.com
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