Dr. Francis Pf Lai eBooks
eBooks found: 1
Sudoku:Explaining the Fifteen Steps of the Francis' Rules for Sudoku
Trafford Publishing, December 2006
ISBN: 9781412080231
This book illustrates a simple way to ensure that the time for solving any Sudoku challenge can be completed in a tenth of the time before you discovered Francis' Rules.
List Price:
$9.99
eBook price:
$7.99












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