I actually received this entire series from my brother, who although he couldn't get into the Sudoku mode himself appreciated my passion for it. I enjoy all levels of Sudoku, and tend to select the difficulty of the puzzle I do on the basis of how I'm feeling rather than on what I believe my ability to be. One of the benefits is that the easier puzzles provide one with a sense of accomplishment that can help neutralize a blue spell or a negative life experience. (I wouldn't be surprised to find out that the seretonin level of the brain is significantly effected by this process which may be what gives these puzzles their reputation for "addiction.") I therefore return to simpler puzzles from time to time. One outcome is that one gains a more thorough insight into the logic and methodology of the game while occasionally finding a new method by which to approach it. The White Belt Sudoku book is a wonderful example of this.
Best puzzles
Published by Thriftbooks.com User , 18 years ago
I am totally addicted to Sudoku and have worked many puzzles in many books, but I especially like the martial arts series. Their difficulty ratings are "right on." These puzzles are very user-friendly and I highly recommend this series to all players!
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