Sudokus now have a clearer layout and are easier to solve. The new and unique Sudoku Plus system helpsplayers to quicklyimprovetheir strategic skills. With anumbers frame around each square and a new notation system, the process of elimination becomes much clearer. Suduko Plususers are guaranteed to become puzzle-pros in no time."

Sudoku Plus 2008, Pan Books (UK)

ISBN-13: 9780330455701

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