More Original Sudoku : Book 3, Paperback by Nikoli Pub, ; Nikoli Publishing, ...
11,62 €
AsAd Age wrote in a profile, the Nikoli credo is &;The Best Puzzles Are Made by Happy Employees. The puzzle-maker knows just when to encourage, and when to withhold. Puzzles marked &;Easy,&; are easy because the puzzler leads you through.
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