201 fiendishly difficult puzzles in five excruciatingly advanced levels, for the really skilled and dedicated Sudoku fan. The super difficult puzzles inside will tax even the most agile Sudoku brains - these are the toughest, meanest grids yet.
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ISBN | 9781782436669 |
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Sprache | eng |
Cover | Kartonierter Einband (Kt) |
Verlag | Michael O'mara Books Ltd |
Jahr | 2016 |
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