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Asterisk Sudoku is a minor variation of the standard 9 by 9 Sudoku Puzzle.
In fact, it's the same except for one tiny additional rule; the nine highlighted cells must also contain exactly 1 to 9.
Although this is not much of a change, it is just enough to get the mind working slightly differently.
The 117 new puzzles are graded from very easy to expert and will give many hours of enjoyment. Each puzzle may be individually printed.
Every puzzle has a full solution, showing both the final grid and the painstakingly documented method of obtaining that solution.
Ebook Price: $2.50