Each puzzle can be solved by nothing more complex than simply scanning the 25 rows, 25 columns and 25 5x5 boxes, without having to make any pencil mark notes. Guessing is never needed, and there is a guaranteed unique solution.
Visit www.PuzzleBooks.org for a full list of other titles in this series.
Each puzzle can be solved by nothing more complex than simply scanning the 25 rows, 25 columns and 25 5x5 boxes, without having to make any pencil mark notes. Guessing is never needed, and there is a guaranteed unique solution.
Visit www.PuzzleBooks.org for a full list of other titles in this series.