Beyond Black Belt Sudoku: If you have to ask, it's too hard for you.

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Author:
Longo, Frank
Number of Pages:
192
ISBN-13:
9781402780707
ISBN-10:
1402780702
Binding:
Paperback
Publication Date:
09/06/2011
Publisher:
Puzzlewright
Beyond Black Belt Sudoku: If you have to ask, it's too hard for you. - ISBN: 9781402780707
For diehards only! These incredibly difficult puzzles are handcrafted for the sudoku warrior who dares to go where other solvers fear to tread. So, if you're armed with the highest-level strategies, get ready for the most satisfying fight your life. It's the most challenging sudoku book we've ever published!